20082420

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{31}}^1\times {\mathrm{59}}^1\times {\mathrm{61}}^1$

素因数の和:166

約数の個数: 144

約数和(自身を含む): 64995840

約数和(自身を除く): 44913420

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 30, 31, 36, 45, 59, 60, 61, 62, 90, 93, 118, 122, 124, 155, 177, 180, 183, 186, 236, 244, 279, 295, 305, 310, 354, 366, 372, 465, 531, 549, 558, 590, 610, 620, 708, 732, 885, 915, 930, 1062, 1098, 1116, 1180, 1220, 1395, 1770, 1829, 1830, 1860, 1891, 2124, 2196, 2655, 2745, 2790, 3540, 3599, 3658, 3660, 3782, 5310, 5487, 5490, 5580, 5673, 7198, 7316, 7564, 9145, 9455, 10620, 10797, 10974, 10980, 11346, 14396, 16461, 17019, 17995, 18290, 18910, 21594, 21948, 22692, 27435, 28365, 32391, 32922, 34038, 35990, 36580, 37820, 43188, 53985, 54870, 56730, 64782, 65844, 68076, 71980, 82305, 85095, 107970, 109740, 111569, 113460, 129564, 161955, 164610, 170190, 215940, 223138, 323910, 329220, 334707, 340380, 446276, 557845, 647820, 669414, 1004121, 1115690, 1338828, 1673535, 2008242, 2231380, 3347070, 4016484, 5020605, 6694140, 10041210, 20082420]

約数ペア:

[(1, 20082420), (2, 10041210), (3, 6694140), (4, 5020605), (5, 4016484), (6, 3347070), (9, 2231380), (10, 2008242), (12, 1673535), (15, 1338828), (18, 1115690), (20, 1004121), (30, 669414), (31, 647820), (36, 557845), (45, 446276), (59, 340380), (60, 334707), (61, 329220), (62, 323910), (90, 223138), (93, 215940), (118, 170190), (122, 164610), (124, 161955), (155, 129564), (177, 113460), (180, 111569), (183, 109740), (186, 107970), (236, 85095), (244, 82305), (279, 71980), (295, 68076), (305, 65844), (310, 64782), (354, 56730), (366, 54870), (372, 53985), (465, 43188), (531, 37820), (549, 36580), (558, 35990), (590, 34038), (610, 32922), (620, 32391), (708, 28365), (732, 27435), (885, 22692), (915, 21948), (930, 21594), (1062, 18910), (1098, 18290), (1116, 17995), (1180, 17019), (1220, 16461), (1395, 14396), (1770, 11346), (1829, 10980), (1830, 10974), (1860, 10797), (1891, 10620), (2124, 9455), (2196, 9145), (2655, 7564), (2745, 7316), (2790, 7198), (3540, 5673), (3599, 5580), (3658, 5490), (3660, 5487), (3782, 5310)]