20343588916

素因数分解:

$2^2\times 7^2\times {\mathrm{103}}^1\times {\mathrm{631}}^1\times {\mathrm{1597}}^1$

素因数の和:2349

約数の個数: 72

約数和(自身を含む): 41908304256

約数和(自身を除く): 21564715340

約数列:

[1, 2, 4, 7, 14, 28, 49, 98, 103, 196, 206, 412, 631, 721, 1262, 1442, 1597, 2524, 2884, 3194, 4417, 5047, 6388, 8834, 10094, 11179, 17668, 20188, 22358, 30919, 44716, 61838, 64993, 78253, 123676, 129986, 156506, 164491, 259972, 313012, 328982, 454951, 657964, 909902, 1007707, 1151437, 1819804, 2015414, 2302874, 3184657, 4030828, 4605748, 6369314, 7053949, 8060059, 12738628, 14107898, 16120118, 28215796, 32240236, 49377643, 98755286, 103793821, 197510572, 207587642, 415175284, 726556747, 1453113494, 2906226988, 5085897229, 10171794458, 20343588916]

約数ペア:

[(1, 20343588916), (2, 10171794458), (4, 5085897229), (7, 2906226988), (14, 1453113494), (28, 726556747), (49, 415175284), (98, 207587642), (103, 197510572), (196, 103793821), (206, 98755286), (412, 49377643), (631, 32240236), (721, 28215796), (1262, 16120118), (1442, 14107898), (1597, 12738628), (2524, 8060059), (2884, 7053949), (3194, 6369314), (4417, 4605748), (5047, 4030828), (6388, 3184657), (8834, 2302874), (10094, 2015414), (11179, 1819804), (17668, 1151437), (20188, 1007707), (22358, 909902), (30919, 657964), (44716, 454951), (61838, 328982), (64993, 313012), (78253, 259972), (123676, 164491), (129986, 156506)]