20119661614

素因数分解:

$2^1\times {\mathrm{13}}^1\times {\mathrm{41}}^1\times {\mathrm{149}}^1\times {\mathrm{197}}^1\times {\mathrm{643}}^1$

素因数の和:1045

約数の個数: 64

約数和(自身を含む): 33739675200

約数和(自身を除く): 13620013586

約数列:

[1, 2, 13, 26, 41, 82, 149, 197, 298, 394, 533, 643, 1066, 1286, 1937, 2561, 3874, 5122, 6109, 8077, 8359, 12218, 16154, 16718, 26363, 29353, 52726, 58706, 79417, 95807, 105001, 126671, 158834, 191614, 210002, 253342, 342719, 381589, 685438, 763178, 1203473, 1245491, 1646723, 2406946, 2490982, 3293446, 3928087, 5193511, 7856174, 10387022, 15645149, 18873979, 31290298, 37747958, 51065131, 67515643, 102130262, 135031286, 245361727, 490723454, 773833139, 1547666278, 10059830807, 20119661614]

約数ペア:

[(1, 20119661614), (2, 10059830807), (13, 1547666278), (26, 773833139), (41, 490723454), (82, 245361727), (149, 135031286), (197, 102130262), (298, 67515643), (394, 51065131), (533, 37747958), (643, 31290298), (1066, 18873979), (1286, 15645149), (1937, 10387022), (2561, 7856174), (3874, 5193511), (5122, 3928087), (6109, 3293446), (8077, 2490982), (8359, 2406946), (12218, 1646723), (16154, 1245491), (16718, 1203473), (26363, 763178), (29353, 685438), (52726, 381589), (58706, 342719), (79417, 253342), (95807, 210002), (105001, 191614), (126671, 158834)]