20179770

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{59}}^1\times {\mathrm{877}}^1$

素因数の和:959

約数の個数: 64

約数和(自身を含む): 53101440

約数和(自身を除く): 32921670

約数列:

[1, 2, 3, 5, 6, 10, 13, 15, 26, 30, 39, 59, 65, 78, 118, 130, 177, 195, 295, 354, 390, 590, 767, 877, 885, 1534, 1754, 1770, 2301, 2631, 3835, 4385, 4602, 5262, 7670, 8770, 11401, 11505, 13155, 22802, 23010, 26310, 34203, 51743, 57005, 68406, 103486, 114010, 155229, 171015, 258715, 310458, 342030, 517430, 672659, 776145, 1345318, 1552290, 2017977, 3363295, 4035954, 6726590, 10089885, 20179770]

約数ペア:

[(1, 20179770), (2, 10089885), (3, 6726590), (5, 4035954), (6, 3363295), (10, 2017977), (13, 1552290), (15, 1345318), (26, 776145), (30, 672659), (39, 517430), (59, 342030), (65, 310458), (78, 258715), (118, 171015), (130, 155229), (177, 114010), (195, 103486), (295, 68406), (354, 57005), (390, 51743), (590, 34203), (767, 26310), (877, 23010), (885, 22802), (1534, 13155), (1754, 11505), (1770, 11401), (2301, 8770), (2631, 7670), (3835, 5262), (4385, 4602)]