20358960

素因数分解:

$2^4\times 3^1\times 5^1\times {\mathrm{41}}^1\times {\mathrm{2069}}^1$

素因数の和:2126

約数の個数: 80

約数和(自身を含む): 64683360

約数和(自身を除く): 44324400

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 30, 40, 41, 48, 60, 80, 82, 120, 123, 164, 205, 240, 246, 328, 410, 492, 615, 656, 820, 984, 1230, 1640, 1968, 2069, 2460, 3280, 4138, 4920, 6207, 8276, 9840, 10345, 12414, 16552, 20690, 24828, 31035, 33104, 41380, 49656, 62070, 82760, 84829, 99312, 124140, 165520, 169658, 248280, 254487, 339316, 424145, 496560, 508974, 678632, 848290, 1017948, 1272435, 1357264, 1696580, 2035896, 2544870, 3393160, 4071792, 5089740, 6786320, 10179480, 20358960]

約数ペア:

[(1, 20358960), (2, 10179480), (3, 6786320), (4, 5089740), (5, 4071792), (6, 3393160), (8, 2544870), (10, 2035896), (12, 1696580), (15, 1357264), (16, 1272435), (20, 1017948), (24, 848290), (30, 678632), (40, 508974), (41, 496560), (48, 424145), (60, 339316), (80, 254487), (82, 248280), (120, 169658), (123, 165520), (164, 124140), (205, 99312), (240, 84829), (246, 82760), (328, 62070), (410, 49656), (492, 41380), (615, 33104), (656, 31035), (820, 24828), (984, 20690), (1230, 16552), (1640, 12414), (1968, 10345), (2069, 9840), (2460, 8276), (3280, 6207), (4138, 4920)]