20785515528

素因数分解:

$2^3\times 3^1\times {\mathrm{17}}^1\times {\mathrm{557}}^1\times {\mathrm{91463}}^1$

素因数の和:92046

約数の個数: 64

約数和(自身を含む): 55119864960

約数和(自身を除く): 34334349432

約数列:

[1, 2, 3, 4, 6, 8, 12, 17, 24, 34, 51, 68, 102, 136, 204, 408, 557, 1114, 1671, 2228, 3342, 4456, 6684, 9469, 13368, 18938, 28407, 37876, 56814, 75752, 91463, 113628, 182926, 227256, 274389, 365852, 548778, 731704, 1097556, 1554871, 2195112, 3109742, 4664613, 6219484, 9329226, 12438968, 18658452, 37316904, 50944891, 101889782, 152834673, 203779564, 305669346, 407559128, 611338692, 866063147, 1222677384, 1732126294, 2598189441, 3464252588, 5196378882, 6928505176, 10392757764, 20785515528]

約数ペア:

[(1, 20785515528), (2, 10392757764), (3, 6928505176), (4, 5196378882), (6, 3464252588), (8, 2598189441), (12, 1732126294), (17, 1222677384), (24, 866063147), (34, 611338692), (51, 407559128), (68, 305669346), (102, 203779564), (136, 152834673), (204, 101889782), (408, 50944891), (557, 37316904), (1114, 18658452), (1671, 12438968), (2228, 9329226), (3342, 6219484), (4456, 4664613), (6684, 3109742), (9469, 2195112), (13368, 1554871), (18938, 1097556), (28407, 731704), (37876, 548778), (56814, 365852), (75752, 274389), (91463, 227256), (113628, 182926)]