20871467580

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{131}}^1\times {\mathrm{2655403}}^1$

素因数の和:2655546

約数の個数: 48

約数和(自身を含む): 58886239104

約数和(自身を除く): 38014771524

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 30, 60, 131, 262, 393, 524, 655, 786, 1310, 1572, 1965, 2620, 3930, 7860, 2655403, 5310806, 7966209, 10621612, 13277015, 15932418, 26554030, 31864836, 39831045, 53108060, 79662090, 159324180, 347857793, 695715586, 1043573379, 1391431172, 1739288965, 2087146758, 3478577930, 4174293516, 5217866895, 6957155860, 10435733790, 20871467580]

約数ペア:

[(1, 20871467580), (2, 10435733790), (3, 6957155860), (4, 5217866895), (5, 4174293516), (6, 3478577930), (10, 2087146758), (12, 1739288965), (15, 1391431172), (20, 1043573379), (30, 695715586), (60, 347857793), (131, 159324180), (262, 79662090), (393, 53108060), (524, 39831045), (655, 31864836), (786, 26554030), (1310, 15932418), (1572, 13277015), (1965, 10621612), (2620, 7966209), (3930, 5310806), (7860, 2655403)]