20253870

素因数分解:

$2^1\times 3^2\times 5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{2473}}^1$

素因数の和:2506

約数の個数: 96

約数和(自身を含む): 64838592

約数和(自身を除く): 44584722

約数列:

[1, 2, 3, 5, 6, 7, 9, 10, 13, 14, 15, 18, 21, 26, 30, 35, 39, 42, 45, 63, 65, 70, 78, 90, 91, 105, 117, 126, 130, 182, 195, 210, 234, 273, 315, 390, 455, 546, 585, 630, 819, 910, 1170, 1365, 1638, 2473, 2730, 4095, 4946, 7419, 8190, 12365, 14838, 17311, 22257, 24730, 32149, 34622, 37095, 44514, 51933, 64298, 74190, 86555, 96447, 103866, 111285, 155799, 160745, 173110, 192894, 222570, 225043, 259665, 289341, 311598, 321490, 450086, 482235, 519330, 578682, 675129, 778995, 964470, 1125215, 1350258, 1446705, 1557990, 2025387, 2250430, 2893410, 3375645, 4050774, 6751290, 10126935, 20253870]

約数ペア:

[(1, 20253870), (2, 10126935), (3, 6751290), (5, 4050774), (6, 3375645), (7, 2893410), (9, 2250430), (10, 2025387), (13, 1557990), (14, 1446705), (15, 1350258), (18, 1125215), (21, 964470), (26, 778995), (30, 675129), (35, 578682), (39, 519330), (42, 482235), (45, 450086), (63, 321490), (65, 311598), (70, 289341), (78, 259665), (90, 225043), (91, 222570), (105, 192894), (117, 173110), (126, 160745), (130, 155799), (182, 111285), (195, 103866), (210, 96447), (234, 86555), (273, 74190), (315, 64298), (390, 51933), (455, 44514), (546, 37095), (585, 34622), (630, 32149), (819, 24730), (910, 22257), (1170, 17311), (1365, 14838), (1638, 12365), (2473, 8190), (2730, 7419), (4095, 4946)]