20095560

素因数分解:

$2^3\times 3^3\times 5^1\times {\mathrm{23}}^1\times {\mathrm{809}}^1$

素因数の和:852

約数の個数: 128

約数和(自身を含む): 69984000

約数和(自身を除く): 49888440

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 18, 20, 23, 24, 27, 30, 36, 40, 45, 46, 54, 60, 69, 72, 90, 92, 108, 115, 120, 135, 138, 180, 184, 207, 216, 230, 270, 276, 345, 360, 414, 460, 540, 552, 621, 690, 809, 828, 920, 1035, 1080, 1242, 1380, 1618, 1656, 2070, 2427, 2484, 2760, 3105, 3236, 4045, 4140, 4854, 4968, 6210, 6472, 7281, 8090, 8280, 9708, 12135, 12420, 14562, 16180, 18607, 19416, 21843, 24270, 24840, 29124, 32360, 36405, 37214, 43686, 48540, 55821, 58248, 72810, 74428, 87372, 93035, 97080, 109215, 111642, 145620, 148856, 167463, 174744, 186070, 218430, 223284, 279105, 291240, 334926, 372140, 436860, 446568, 502389, 558210, 669852, 744280, 837315, 873720, 1004778, 1116420, 1339704, 1674630, 2009556, 2232840, 2511945, 3349260, 4019112, 5023890, 6698520, 10047780, 20095560]

約数ペア:

[(1, 20095560), (2, 10047780), (3, 6698520), (4, 5023890), (5, 4019112), (6, 3349260), (8, 2511945), (9, 2232840), (10, 2009556), (12, 1674630), (15, 1339704), (18, 1116420), (20, 1004778), (23, 873720), (24, 837315), (27, 744280), (30, 669852), (36, 558210), (40, 502389), (45, 446568), (46, 436860), (54, 372140), (60, 334926), (69, 291240), (72, 279105), (90, 223284), (92, 218430), (108, 186070), (115, 174744), (120, 167463), (135, 148856), (138, 145620), (180, 111642), (184, 109215), (207, 97080), (216, 93035), (230, 87372), (270, 74428), (276, 72810), (345, 58248), (360, 55821), (414, 48540), (460, 43686), (540, 37214), (552, 36405), (621, 32360), (690, 29124), (809, 24840), (828, 24270), (920, 21843), (1035, 19416), (1080, 18607), (1242, 16180), (1380, 14562), (1618, 12420), (1656, 12135), (2070, 9708), (2427, 8280), (2484, 8090), (2760, 7281), (3105, 6472), (3236, 6210), (4045, 4968), (4140, 4854)]