20940595416

素因数分解:

$2^3\times 3^3\times {\mathrm{13}}^1\times {\mathrm{7457477}}^1$

素因数の和:7457505

約数の個数: 64

約数和(自身を含む): 62642815200

約数和(自身を除く): 41702219784

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 13, 18, 24, 26, 27, 36, 39, 52, 54, 72, 78, 104, 108, 117, 156, 216, 234, 312, 351, 468, 702, 936, 1404, 2808, 7457477, 14914954, 22372431, 29829908, 44744862, 59659816, 67117293, 89489724, 96947201, 134234586, 178979448, 193894402, 201351879, 268469172, 290841603, 387788804, 402703758, 536938344, 581683206, 775577608, 805407516, 872524809, 1163366412, 1610815032, 1745049618, 2326732824, 2617574427, 3490099236, 5235148854, 6980198472, 10470297708, 20940595416]

約数ペア:

[(1, 20940595416), (2, 10470297708), (3, 6980198472), (4, 5235148854), (6, 3490099236), (8, 2617574427), (9, 2326732824), (12, 1745049618), (13, 1610815032), (18, 1163366412), (24, 872524809), (26, 805407516), (27, 775577608), (36, 581683206), (39, 536938344), (52, 402703758), (54, 387788804), (72, 290841603), (78, 268469172), (104, 201351879), (108, 193894402), (117, 178979448), (156, 134234586), (216, 96947201), (234, 89489724), (312, 67117293), (351, 59659816), (468, 44744862), (702, 29829908), (936, 22372431), (1404, 14914954), (2808, 7457477)]