20532420

素因数分解:

$2^2\times 3^3\times 5^1\times {\mathrm{47}}^1\times {\mathrm{809}}^1$

素因数の和:874

約数の個数: 96

約数和(自身を含む): 65318400

約数和(自身を除く): 44785980

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 27, 30, 36, 45, 47, 54, 60, 90, 94, 108, 135, 141, 180, 188, 235, 270, 282, 423, 470, 540, 564, 705, 809, 846, 940, 1269, 1410, 1618, 1692, 2115, 2427, 2538, 2820, 3236, 4045, 4230, 4854, 5076, 6345, 7281, 8090, 8460, 9708, 12135, 12690, 14562, 16180, 21843, 24270, 25380, 29124, 36405, 38023, 43686, 48540, 72810, 76046, 87372, 109215, 114069, 145620, 152092, 190115, 218430, 228138, 342207, 380230, 436860, 456276, 570345, 684414, 760460, 1026621, 1140690, 1368828, 1711035, 2053242, 2281380, 3422070, 4106484, 5133105, 6844140, 10266210, 20532420]

約数ペア:

[(1, 20532420), (2, 10266210), (3, 6844140), (4, 5133105), (5, 4106484), (6, 3422070), (9, 2281380), (10, 2053242), (12, 1711035), (15, 1368828), (18, 1140690), (20, 1026621), (27, 760460), (30, 684414), (36, 570345), (45, 456276), (47, 436860), (54, 380230), (60, 342207), (90, 228138), (94, 218430), (108, 190115), (135, 152092), (141, 145620), (180, 114069), (188, 109215), (235, 87372), (270, 76046), (282, 72810), (423, 48540), (470, 43686), (540, 38023), (564, 36405), (705, 29124), (809, 25380), (846, 24270), (940, 21843), (1269, 16180), (1410, 14562), (1618, 12690), (1692, 12135), (2115, 9708), (2427, 8460), (2538, 8090), (2820, 7281), (3236, 6345), (4045, 5076), (4230, 4854)]