20843950

素因数分解:

$2^1\times 5^2\times {\mathrm{19}}^1\times {\mathrm{37}}^1\times {\mathrm{593}}^1$

素因数の和:661

約数の個数: 48

約数和(自身を含む): 41983920

約数和(自身を除く): 21139970

約数列:

[1, 2, 5, 10, 19, 25, 37, 38, 50, 74, 95, 185, 190, 370, 475, 593, 703, 925, 950, 1186, 1406, 1850, 2965, 3515, 5930, 7030, 11267, 14825, 17575, 21941, 22534, 29650, 35150, 43882, 56335, 109705, 112670, 219410, 281675, 416879, 548525, 563350, 833758, 1097050, 2084395, 4168790, 10421975, 20843950]

約数ペア:

[(1, 20843950), (2, 10421975), (5, 4168790), (10, 2084395), (19, 1097050), (25, 833758), (37, 563350), (38, 548525), (50, 416879), (74, 281675), (95, 219410), (185, 112670), (190, 109705), (370, 56335), (475, 43882), (593, 35150), (703, 29650), (925, 22534), (950, 21941), (1186, 17575), (1406, 14825), (1850, 11267), (2965, 7030), (3515, 5930)]