20154030

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{1667}}^1$

素因数の和:1721

約数の個数: 64

約数和(自身を含む): 53803008

約数和(自身を除く): 33648978

約数列:

[1, 2, 3, 5, 6, 10, 13, 15, 26, 30, 31, 39, 62, 65, 78, 93, 130, 155, 186, 195, 310, 390, 403, 465, 806, 930, 1209, 1667, 2015, 2418, 3334, 4030, 5001, 6045, 8335, 10002, 12090, 16670, 21671, 25005, 43342, 50010, 51677, 65013, 103354, 108355, 130026, 155031, 216710, 258385, 310062, 325065, 516770, 650130, 671801, 775155, 1343602, 1550310, 2015403, 3359005, 4030806, 6718010, 10077015, 20154030]

約数ペア:

[(1, 20154030), (2, 10077015), (3, 6718010), (5, 4030806), (6, 3359005), (10, 2015403), (13, 1550310), (15, 1343602), (26, 775155), (30, 671801), (31, 650130), (39, 516770), (62, 325065), (65, 310062), (78, 258385), (93, 216710), (130, 155031), (155, 130026), (186, 108355), (195, 103354), (310, 65013), (390, 51677), (403, 50010), (465, 43342), (806, 25005), (930, 21671), (1209, 16670), (1667, 12090), (2015, 10002), (2418, 8335), (3334, 6045), (4030, 5001)]