20199771120

素因数分解:

$2^4\times 3^1\times 5^1\times {\mathrm{31}}^1\times {\mathrm{37}}^1\times {\mathrm{73379}}^1$

素因数の和:73463

約数の個数: 160

約数和(自身を含む): 66387179520

約数和(自身を除く): 46187408400

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 30, 31, 37, 40, 48, 60, 62, 74, 80, 93, 111, 120, 124, 148, 155, 185, 186, 222, 240, 248, 296, 310, 370, 372, 444, 465, 496, 555, 592, 620, 740, 744, 888, 930, 1110, 1147, 1240, 1480, 1488, 1776, 1860, 2220, 2294, 2480, 2960, 3441, 3720, 4440, 4588, 5735, 6882, 7440, 8880, 9176, 11470, 13764, 17205, 18352, 22940, 27528, 34410, 45880, 55056, 68820, 73379, 91760, 137640, 146758, 220137, 275280, 293516, 366895, 440274, 587032, 733790, 880548, 1100685, 1174064, 1467580, 1761096, 2201370, 2274749, 2715023, 2935160, 3522192, 4402740, 4549498, 5430046, 5870320, 6824247, 8145069, 8805480, 9098996, 10860092, 11373745, 13575115, 13648494, 16290138, 17610960, 18197992, 21720184, 22747490, 27150230, 27296988, 32580276, 34121235, 36395984, 40725345, 43440368, 45494980, 54300460, 54593976, 65160552, 68242470, 81450690, 84165713, 90989960, 108600920, 109187952, 130321104, 136484940, 162901380, 168331426, 181979920, 217201840, 252497139, 272969880, 325802760, 336662852, 420828565, 504994278, 545939760, 651605520, 673325704, 841657130, 1009988556, 1262485695, 1346651408, 1683314260, 2019977112, 2524971390, 3366628520, 4039954224, 5049942780, 6733257040, 10099885560, 20199771120]

約数ペア:

[(1, 20199771120), (2, 10099885560), (3, 6733257040), (4, 5049942780), (5, 4039954224), (6, 3366628520), (8, 2524971390), (10, 2019977112), (12, 1683314260), (15, 1346651408), (16, 1262485695), (20, 1009988556), (24, 841657130), (30, 673325704), (31, 651605520), (37, 545939760), (40, 504994278), (48, 420828565), (60, 336662852), (62, 325802760), (74, 272969880), (80, 252497139), (93, 217201840), (111, 181979920), (120, 168331426), (124, 162901380), (148, 136484940), (155, 130321104), (185, 109187952), (186, 108600920), (222, 90989960), (240, 84165713), (248, 81450690), (296, 68242470), (310, 65160552), (370, 54593976), (372, 54300460), (444, 45494980), (465, 43440368), (496, 40725345), (555, 36395984), (592, 34121235), (620, 32580276), (740, 27296988), (744, 27150230), (888, 22747490), (930, 21720184), (1110, 18197992), (1147, 17610960), (1240, 16290138), (1480, 13648494), (1488, 13575115), (1776, 11373745), (1860, 10860092), (2220, 9098996), (2294, 8805480), (2480, 8145069), (2960, 6824247), (3441, 5870320), (3720, 5430046), (4440, 4549498), (4588, 4402740), (5735, 3522192), (6882, 2935160), (7440, 2715023), (8880, 2274749), (9176, 2201370), (11470, 1761096), (13764, 1467580), (17205, 1174064), (18352, 1100685), (22940, 880548), (27528, 733790), (34410, 587032), (45880, 440274), (55056, 366895), (68820, 293516), (73379, 275280), (91760, 220137), (137640, 146758)]