20485062

素因数分解:

$2^1\times 3^4\times {\mathrm{13}}^1\times {\mathrm{71}}^1\times {\mathrm{137}}^1$

素因数の和:235

約数の個数: 80

約数和(自身を含む): 50494752

約数和(自身を除く): 30009690

約数列:

[1, 2, 3, 6, 9, 13, 18, 26, 27, 39, 54, 71, 78, 81, 117, 137, 142, 162, 213, 234, 274, 351, 411, 426, 639, 702, 822, 923, 1053, 1233, 1278, 1781, 1846, 1917, 2106, 2466, 2769, 3562, 3699, 3834, 5343, 5538, 5751, 7398, 8307, 9727, 10686, 11097, 11502, 16029, 16614, 19454, 22194, 24921, 29181, 32058, 48087, 49842, 58362, 74763, 87543, 96174, 126451, 144261, 149526, 175086, 252902, 262629, 288522, 379353, 525258, 758706, 787887, 1138059, 1575774, 2276118, 3414177, 6828354, 10242531, 20485062]

約数ペア:

[(1, 20485062), (2, 10242531), (3, 6828354), (6, 3414177), (9, 2276118), (13, 1575774), (18, 1138059), (26, 787887), (27, 758706), (39, 525258), (54, 379353), (71, 288522), (78, 262629), (81, 252902), (117, 175086), (137, 149526), (142, 144261), (162, 126451), (213, 96174), (234, 87543), (274, 74763), (351, 58362), (411, 49842), (426, 48087), (639, 32058), (702, 29181), (822, 24921), (923, 22194), (1053, 19454), (1233, 16614), (1278, 16029), (1781, 11502), (1846, 11097), (1917, 10686), (2106, 9727), (2466, 8307), (2769, 7398), (3562, 5751), (3699, 5538), (3834, 5343)]