20445430

素因数分解:

$2^1\times 5^1\times {\mathrm{31}}^1\times {\mathrm{101}}^1\times {\mathrm{653}}^1$

素因数の和:792

約数の個数: 32

約数和(自身を含む): 38423808

約数和(自身を除く): 17978378

約数列:

[1, 2, 5, 10, 31, 62, 101, 155, 202, 310, 505, 653, 1010, 1306, 3131, 3265, 6262, 6530, 15655, 20243, 31310, 40486, 65953, 101215, 131906, 202430, 329765, 659530, 2044543, 4089086, 10222715, 20445430]

約数ペア:

[(1, 20445430), (2, 10222715), (5, 4089086), (10, 2044543), (31, 659530), (62, 329765), (101, 202430), (155, 131906), (202, 101215), (310, 65953), (505, 40486), (653, 31310), (1010, 20243), (1306, 15655), (3131, 6530), (3265, 6262)]