20140587140

素因数分解:

$2^2\times 5^1\times {\mathrm{17}}^1\times {\mathrm{131}}^1\times {\mathrm{452191}}^1$

素因数の和:452348

約数の個数: 48

約数和(自身を含む): 45125144064

約数和(自身を除く): 24984556924

約数列:

[1, 2, 4, 5, 10, 17, 20, 34, 68, 85, 131, 170, 262, 340, 524, 655, 1310, 2227, 2620, 4454, 8908, 11135, 22270, 44540, 452191, 904382, 1808764, 2260955, 4521910, 7687247, 9043820, 15374494, 30748988, 38436235, 59237021, 76872470, 118474042, 153744940, 236948084, 296185105, 592370210, 1007029357, 1184740420, 2014058714, 4028117428, 5035146785, 10070293570, 20140587140]

約数ペア:

[(1, 20140587140), (2, 10070293570), (4, 5035146785), (5, 4028117428), (10, 2014058714), (17, 1184740420), (20, 1007029357), (34, 592370210), (68, 296185105), (85, 236948084), (131, 153744940), (170, 118474042), (262, 76872470), (340, 59237021), (524, 38436235), (655, 30748988), (1310, 15374494), (2227, 9043820), (2620, 7687247), (4454, 4521910), (8908, 2260955), (11135, 1808764), (22270, 904382), (44540, 452191)]