20921723962960

素因数分解:

$2^4\times 5^1\times {\mathrm{17}}^1\times {\mathrm{61}}^1\times {\mathrm{6581}}^1\times {\mathrm{38321}}^1$

素因数の和:44993

約数の個数: 160

約数和(自身を含む): 52358016220704

約数和(自身を除く): 31436292257744

約数列:

[1, 2, 4, 5, 8, 10, 16, 17, 20, 34, 40, 61, 68, 80, 85, 122, 136, 170, 244, 272, 305, 340, 488, 610, 680, 976, 1037, 1220, 1360, 2074, 2440, 4148, 4880, 5185, 6581, 8296, 10370, 13162, 16592, 20740, 26324, 32905, 38321, 41480, 52648, 65810, 76642, 82960, 105296, 111877, 131620, 153284, 191605, 223754, 263240, 306568, 383210, 401441, 447508, 526480, 559385, 613136, 651457, 766420, 802882, 895016, 1118770, 1302914, 1532840, 1605764, 1790032, 2007205, 2237540, 2337581, 2605828, 3065680, 3211528, 3257285, 4014410, 4475080, 4675162, 5211656, 6423056, 6514570, 6824497, 8028820, 8950160, 9350324, 10423312, 11687905, 13029140, 13648994, 16057640, 18700648, 23375810, 26058280, 27297988, 32115280, 34122485, 37401296, 39738877, 46751620, 52116560, 54595976, 68244970, 79477754, 93503240, 109191952, 136489940, 158955508, 187006480, 198694385, 252190501, 272979880, 317911016, 397388770, 504381002, 545959760, 635822032, 794777540, 1008762004, 1260952505, 1589555080, 2017524008, 2521905010, 3179110160, 4035048016, 4287238517, 5043810020, 8574477034, 10087620040, 15383620561, 17148954068, 20175240080, 21436192585, 30767241122, 34297908136, 42872385170, 61534482244, 68595816272, 76918102805, 85744770340, 123068964488, 153836205610, 171489540680, 246137928976, 261521549537, 307672411220, 342979081360, 523043099074, 615344822440, 1046086198148, 1230689644880, 1307607747685, 2092172396296, 2615215495370, 4184344792592, 5230430990740, 10460861981480, 20921723962960]

約数ペア:

[(1, 20921723962960), (2, 10460861981480), (4, 5230430990740), (5, 4184344792592), (8, 2615215495370), (10, 2092172396296), (16, 1307607747685), (17, 1230689644880), (20, 1046086198148), (34, 615344822440), (40, 523043099074), (61, 342979081360), (68, 307672411220), (80, 261521549537), (85, 246137928976), (122, 171489540680), (136, 153836205610), (170, 123068964488), (244, 85744770340), (272, 76918102805), (305, 68595816272), (340, 61534482244), (488, 42872385170), (610, 34297908136), (680, 30767241122), (976, 21436192585), (1037, 20175240080), (1220, 17148954068), (1360, 15383620561), (2074, 10087620040), (2440, 8574477034), (4148, 5043810020), (4880, 4287238517), (5185, 4035048016), (6581, 3179110160), (8296, 2521905010), (10370, 2017524008), (13162, 1589555080), (16592, 1260952505), (20740, 1008762004), (26324, 794777540), (32905, 635822032), (38321, 545959760), (41480, 504381002), (52648, 397388770), (65810, 317911016), (76642, 272979880), (82960, 252190501), (105296, 198694385), (111877, 187006480), (131620, 158955508), (153284, 136489940), (191605, 109191952), (223754, 93503240), (263240, 79477754), (306568, 68244970), (383210, 54595976), (401441, 52116560), (447508, 46751620), (526480, 39738877), (559385, 37401296), (613136, 34122485), (651457, 32115280), (766420, 27297988), (802882, 26058280), (895016, 23375810), (1118770, 18700648), (1302914, 16057640), (1532840, 13648994), (1605764, 13029140), (1790032, 11687905), (2007205, 10423312), (2237540, 9350324), (2337581, 8950160), (2605828, 8028820), (3065680, 6824497), (3211528, 6514570), (3257285, 6423056), (4014410, 5211656), (4475080, 4675162)]