20153249940

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{313}}^1\times {\mathrm{691}}^1\times {\mathrm{1553}}^1$

素因数の和:2569

約数の個数: 96

約数和(自身を含む): 56727812736

約数和(自身を除く): 36574562796

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 30, 60, 313, 626, 691, 939, 1252, 1382, 1553, 1565, 1878, 2073, 2764, 3106, 3130, 3455, 3756, 4146, 4659, 4695, 6212, 6260, 6910, 7765, 8292, 9318, 9390, 10365, 13820, 15530, 18636, 18780, 20730, 23295, 31060, 41460, 46590, 93180, 216283, 432566, 486089, 648849, 865132, 972178, 1073123, 1081415, 1297698, 1458267, 1944356, 2146246, 2162830, 2430445, 2595396, 2916534, 3219369, 3244245, 4292492, 4325660, 4860890, 5365615, 5833068, 6438738, 6488490, 7291335, 9721780, 10731230, 12877476, 12976980, 14582670, 16096845, 21462460, 29165340, 32193690, 64387380, 335887499, 671774998, 1007662497, 1343549996, 1679437495, 2015324994, 3358874990, 4030649988, 5038312485, 6717749980, 10076624970, 20153249940]

約数ペア:

[(1, 20153249940), (2, 10076624970), (3, 6717749980), (4, 5038312485), (5, 4030649988), (6, 3358874990), (10, 2015324994), (12, 1679437495), (15, 1343549996), (20, 1007662497), (30, 671774998), (60, 335887499), (313, 64387380), (626, 32193690), (691, 29165340), (939, 21462460), (1252, 16096845), (1382, 14582670), (1553, 12976980), (1565, 12877476), (1878, 10731230), (2073, 9721780), (2764, 7291335), (3106, 6488490), (3130, 6438738), (3455, 5833068), (3756, 5365615), (4146, 4860890), (4659, 4325660), (4695, 4292492), (6212, 3244245), (6260, 3219369), (6910, 2916534), (7765, 2595396), (8292, 2430445), (9318, 2162830), (9390, 2146246), (10365, 1944356), (13820, 1458267), (15530, 1297698), (18636, 1081415), (18780, 1073123), (20730, 972178), (23295, 865132), (31060, 648849), (41460, 486089), (46590, 432566), (93180, 216283)]