20888930874

素因数分解:

$2^1\times 3^1\times 7^1\times {\mathrm{71}}^1\times {\mathrm{73}}^1\times {\mathrm{95959}}^1$

素因数の和:96115

約数の個数: 64

約数和(自身を含む): 49082388480

約数和(自身を除く): 28193457606

約数列:

[1, 2, 3, 6, 7, 14, 21, 42, 71, 73, 142, 146, 213, 219, 426, 438, 497, 511, 994, 1022, 1491, 1533, 2982, 3066, 5183, 10366, 15549, 31098, 36281, 72562, 95959, 108843, 191918, 217686, 287877, 575754, 671713, 1343426, 2015139, 4030278, 6813089, 7005007, 13626178, 14010014, 20439267, 21015021, 40878534, 42030042, 47691623, 49035049, 95383246, 98070098, 143074869, 147105147, 286149738, 294210294, 497355497, 994710994, 1492066491, 2984132982, 3481488479, 6962976958, 10444465437, 20888930874]

約数ペア:

[(1, 20888930874), (2, 10444465437), (3, 6962976958), (6, 3481488479), (7, 2984132982), (14, 1492066491), (21, 994710994), (42, 497355497), (71, 294210294), (73, 286149738), (142, 147105147), (146, 143074869), (213, 98070098), (219, 95383246), (426, 49035049), (438, 47691623), (497, 42030042), (511, 40878534), (994, 21015021), (1022, 20439267), (1491, 14010014), (1533, 13626178), (2982, 7005007), (3066, 6813089), (5183, 4030278), (10366, 2015139), (15549, 1343426), (31098, 671713), (36281, 575754), (72562, 287877), (95959, 217686), (108843, 191918)]