20630568

素因数分解:

$2^3\times 3^1\times 7^2\times {\mathrm{53}}^1\times {\mathrm{331}}^1$

素因数の和:407

約数の個数: 96

約数和(自身を含む): 61313760

約数和(自身を除く): 40683192

約数列:

[1, 2, 3, 4, 6, 7, 8, 12, 14, 21, 24, 28, 42, 49, 53, 56, 84, 98, 106, 147, 159, 168, 196, 212, 294, 318, 331, 371, 392, 424, 588, 636, 662, 742, 993, 1113, 1176, 1272, 1324, 1484, 1986, 2226, 2317, 2597, 2648, 2968, 3972, 4452, 4634, 5194, 6951, 7791, 7944, 8904, 9268, 10388, 13902, 15582, 16219, 17543, 18536, 20776, 27804, 31164, 32438, 35086, 48657, 52629, 55608, 62328, 64876, 70172, 97314, 105258, 122801, 129752, 140344, 194628, 210516, 245602, 368403, 389256, 421032, 491204, 736806, 859607, 982408, 1473612, 1719214, 2578821, 2947224, 3438428, 5157642, 6876856, 10315284, 20630568]

約数ペア:

[(1, 20630568), (2, 10315284), (3, 6876856), (4, 5157642), (6, 3438428), (7, 2947224), (8, 2578821), (12, 1719214), (14, 1473612), (21, 982408), (24, 859607), (28, 736806), (42, 491204), (49, 421032), (53, 389256), (56, 368403), (84, 245602), (98, 210516), (106, 194628), (147, 140344), (159, 129752), (168, 122801), (196, 105258), (212, 97314), (294, 70172), (318, 64876), (331, 62328), (371, 55608), (392, 52629), (424, 48657), (588, 35086), (636, 32438), (662, 31164), (742, 27804), (993, 20776), (1113, 18536), (1176, 17543), (1272, 16219), (1324, 15582), (1484, 13902), (1986, 10388), (2226, 9268), (2317, 8904), (2597, 7944), (2648, 7791), (2968, 6951), (3972, 5194), (4452, 4634)]