20236959080

素因数分解:

$2^3\times 5^1\times {\mathrm{13}}^2\times {\mathrm{37}}^1\times {\mathrm{80909}}^1$

素因数の和:80983

約数の個数: 96

約数和(自身を含む): 50638332600

約数和(自身を除く): 30401373520

約数列:

[1, 2, 4, 5, 8, 10, 13, 20, 26, 37, 40, 52, 65, 74, 104, 130, 148, 169, 185, 260, 296, 338, 370, 481, 520, 676, 740, 845, 962, 1352, 1480, 1690, 1924, 2405, 3380, 3848, 4810, 6253, 6760, 9620, 12506, 19240, 25012, 31265, 50024, 62530, 80909, 125060, 161818, 250120, 323636, 404545, 647272, 809090, 1051817, 1618180, 2103634, 2993633, 3236360, 4207268, 5259085, 5987266, 8414536, 10518170, 11974532, 13673621, 14968165, 21036340, 23949064, 27347242, 29936330, 38917229, 42072680, 54694484, 59872660, 68368105, 77834458, 109388968, 119745320, 136736210, 155668916, 194586145, 273472420, 311337832, 389172290, 505923977, 546944840, 778344580, 1011847954, 1556689160, 2023695908, 2529619885, 4047391816, 5059239770, 10118479540, 20236959080]

約数ペア:

[(1, 20236959080), (2, 10118479540), (4, 5059239770), (5, 4047391816), (8, 2529619885), (10, 2023695908), (13, 1556689160), (20, 1011847954), (26, 778344580), (37, 546944840), (40, 505923977), (52, 389172290), (65, 311337832), (74, 273472420), (104, 194586145), (130, 155668916), (148, 136736210), (169, 119745320), (185, 109388968), (260, 77834458), (296, 68368105), (338, 59872660), (370, 54694484), (481, 42072680), (520, 38917229), (676, 29936330), (740, 27347242), (845, 23949064), (962, 21036340), (1352, 14968165), (1480, 13673621), (1690, 11974532), (1924, 10518170), (2405, 8414536), (3380, 5987266), (3848, 5259085), (4810, 4207268), (6253, 3236360), (6760, 2993633), (9620, 2103634), (12506, 1618180), (19240, 1051817), (25012, 809090), (31265, 647272), (50024, 404545), (62530, 323636), (80909, 250120), (125060, 161818)]