20039670

素因数分解:

$2^1\times 3^3\times 5^1\times 7^1\times {\mathrm{23}}^1\times {\mathrm{461}}^1$

素因数の和:507

約数の個数: 128

約数和(自身を含む): 63866880

約数和(自身を除く): 43827210

約数列:

[1, 2, 3, 5, 6, 7, 9, 10, 14, 15, 18, 21, 23, 27, 30, 35, 42, 45, 46, 54, 63, 69, 70, 90, 105, 115, 126, 135, 138, 161, 189, 207, 210, 230, 270, 315, 322, 345, 378, 414, 461, 483, 621, 630, 690, 805, 922, 945, 966, 1035, 1242, 1383, 1449, 1610, 1890, 2070, 2305, 2415, 2766, 2898, 3105, 3227, 4149, 4347, 4610, 4830, 6210, 6454, 6915, 7245, 8298, 8694, 9681, 10603, 12447, 13830, 14490, 16135, 19362, 20745, 21206, 21735, 24894, 29043, 31809, 32270, 41490, 43470, 48405, 53015, 58086, 62235, 63618, 74221, 87129, 95427, 96810, 106030, 124470, 145215, 148442, 159045, 174258, 190854, 222663, 286281, 290430, 318090, 371105, 435645, 445326, 477135, 572562, 667989, 742210, 871290, 954270, 1113315, 1335978, 1431405, 2003967, 2226630, 2862810, 3339945, 4007934, 6679890, 10019835, 20039670]

約数ペア:

[(1, 20039670), (2, 10019835), (3, 6679890), (5, 4007934), (6, 3339945), (7, 2862810), (9, 2226630), (10, 2003967), (14, 1431405), (15, 1335978), (18, 1113315), (21, 954270), (23, 871290), (27, 742210), (30, 667989), (35, 572562), (42, 477135), (45, 445326), (46, 435645), (54, 371105), (63, 318090), (69, 290430), (70, 286281), (90, 222663), (105, 190854), (115, 174258), (126, 159045), (135, 148442), (138, 145215), (161, 124470), (189, 106030), (207, 96810), (210, 95427), (230, 87129), (270, 74221), (315, 63618), (322, 62235), (345, 58086), (378, 53015), (414, 48405), (461, 43470), (483, 41490), (621, 32270), (630, 31809), (690, 29043), (805, 24894), (922, 21735), (945, 21206), (966, 20745), (1035, 19362), (1242, 16135), (1383, 14490), (1449, 13830), (1610, 12447), (1890, 10603), (2070, 9681), (2305, 8694), (2415, 8298), (2766, 7245), (2898, 6915), (3105, 6454), (3227, 6210), (4149, 4830), (4347, 4610)]