20045970

素因数分解:

$2^1\times 3^2\times 5^1\times 7^1\times {\mathrm{47}}^1\times {\mathrm{677}}^1$

素因数の和:744

約数の個数: 96

約数和(自身を含む): 60922368

約数和(自身を除く): 40876398

約数列:

[1, 2, 3, 5, 6, 7, 9, 10, 14, 15, 18, 21, 30, 35, 42, 45, 47, 63, 70, 90, 94, 105, 126, 141, 210, 235, 282, 315, 329, 423, 470, 630, 658, 677, 705, 846, 987, 1354, 1410, 1645, 1974, 2031, 2115, 2961, 3290, 3385, 4062, 4230, 4739, 4935, 5922, 6093, 6770, 9478, 9870, 10155, 12186, 14217, 14805, 20310, 23695, 28434, 29610, 30465, 31819, 42651, 47390, 60930, 63638, 71085, 85302, 95457, 142170, 159095, 190914, 213255, 222733, 286371, 318190, 426510, 445466, 477285, 572742, 668199, 954570, 1113665, 1336398, 1431855, 2004597, 2227330, 2863710, 3340995, 4009194, 6681990, 10022985, 20045970]

約数ペア:

[(1, 20045970), (2, 10022985), (3, 6681990), (5, 4009194), (6, 3340995), (7, 2863710), (9, 2227330), (10, 2004597), (14, 1431855), (15, 1336398), (18, 1113665), (21, 954570), (30, 668199), (35, 572742), (42, 477285), (45, 445466), (47, 426510), (63, 318190), (70, 286371), (90, 222733), (94, 213255), (105, 190914), (126, 159095), (141, 142170), (210, 95457), (235, 85302), (282, 71085), (315, 63638), (329, 60930), (423, 47390), (470, 42651), (630, 31819), (658, 30465), (677, 29610), (705, 28434), (846, 23695), (987, 20310), (1354, 14805), (1410, 14217), (1645, 12186), (1974, 10155), (2031, 9870), (2115, 9478), (2961, 6770), (3290, 6093), (3385, 5922), (4062, 4935), (4230, 4739)]