20401164

素因数分解:

$2^2\times 3^2\times 7^1\times {\mathrm{73}}^1\times {\mathrm{1109}}^1$

素因数の和:1199

約数の個数: 72

約数和(自身を含む): 59797920

約数和(自身を除く): 39396756

約数列:

[1, 2, 3, 4, 6, 7, 9, 12, 14, 18, 21, 28, 36, 42, 63, 73, 84, 126, 146, 219, 252, 292, 438, 511, 657, 876, 1022, 1109, 1314, 1533, 2044, 2218, 2628, 3066, 3327, 4436, 4599, 6132, 6654, 7763, 9198, 9981, 13308, 15526, 18396, 19962, 23289, 31052, 39924, 46578, 69867, 80957, 93156, 139734, 161914, 242871, 279468, 323828, 485742, 566699, 728613, 971484, 1133398, 1457226, 1700097, 2266796, 2914452, 3400194, 5100291, 6800388, 10200582, 20401164]

約数ペア:

[(1, 20401164), (2, 10200582), (3, 6800388), (4, 5100291), (6, 3400194), (7, 2914452), (9, 2266796), (12, 1700097), (14, 1457226), (18, 1133398), (21, 971484), (28, 728613), (36, 566699), (42, 485742), (63, 323828), (73, 279468), (84, 242871), (126, 161914), (146, 139734), (219, 93156), (252, 80957), (292, 69867), (438, 46578), (511, 39924), (657, 31052), (876, 23289), (1022, 19962), (1109, 18396), (1314, 15526), (1533, 13308), (2044, 9981), (2218, 9198), (2628, 7763), (3066, 6654), (3327, 6132), (4436, 4599)]