20143647940

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{23}}^1\times {\mathrm{197}}^1\times {\mathrm{17099}}^1$

素因数の和:17341

約数の個数: 96

約数和(自身を含む): 47780409600

約数和(自身を除く): 27636761660

約数列:

[1, 2, 4, 5, 10, 13, 20, 23, 26, 46, 52, 65, 92, 115, 130, 197, 230, 260, 299, 394, 460, 598, 788, 985, 1196, 1495, 1970, 2561, 2990, 3940, 4531, 5122, 5980, 9062, 10244, 12805, 17099, 18124, 22655, 25610, 34198, 45310, 51220, 58903, 68396, 85495, 90620, 117806, 170990, 222287, 235612, 294515, 341980, 393277, 444574, 589030, 786554, 889148, 1111435, 1178060, 1573108, 1966385, 2222870, 3368503, 3932770, 4445740, 5112601, 6737006, 7865540, 10225202, 13474012, 16842515, 20450404, 25563005, 33685030, 43790539, 51126010, 67370060, 77475569, 87581078, 102252020, 154951138, 175162156, 218952695, 309902276, 387377845, 437905390, 774755690, 875810780, 1007182397, 1549511380, 2014364794, 4028729588, 5035911985, 10071823970, 20143647940]

約数ペア:

[(1, 20143647940), (2, 10071823970), (4, 5035911985), (5, 4028729588), (10, 2014364794), (13, 1549511380), (20, 1007182397), (23, 875810780), (26, 774755690), (46, 437905390), (52, 387377845), (65, 309902276), (92, 218952695), (115, 175162156), (130, 154951138), (197, 102252020), (230, 87581078), (260, 77475569), (299, 67370060), (394, 51126010), (460, 43790539), (598, 33685030), (788, 25563005), (985, 20450404), (1196, 16842515), (1495, 13474012), (1970, 10225202), (2561, 7865540), (2990, 6737006), (3940, 5112601), (4531, 4445740), (5122, 3932770), (5980, 3368503), (9062, 2222870), (10244, 1966385), (12805, 1573108), (17099, 1178060), (18124, 1111435), (22655, 889148), (25610, 786554), (34198, 589030), (45310, 444574), (51220, 393277), (58903, 341980), (68396, 294515), (85495, 235612), (90620, 222287), (117806, 170990)]