84612020

素因数分解:

$2^2\times 5^1\times {\mathrm{31}}^1\times {\mathrm{136471}}^1$

素因数の和:136511

約数の個数: 24

約数和(自身を含む): 183418368

約数和(自身を除く): 98806348

約数列:

[1, 2, 4, 5, 10, 20, 31, 62, 124, 155, 310, 620, 136471, 272942, 545884, 682355, 1364710, 2729420, 4230601, 8461202, 16922404, 21153005, 42306010, 84612020]

約数ペア:

[(1, 84612020), (2, 42306010), (4, 21153005), (5, 16922404), (10, 8461202), (20, 4230601), (31, 2729420), (62, 1364710), (124, 682355), (155, 545884), (310, 272942), (620, 136471)]