20152140

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{17}}^1\times {\mathrm{23}}^1\times {\mathrm{859}}^1$

素因数の和:911

約数の個数: 96

約数和(自身を含む): 62415360

約数和(自身を除く): 42263220

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 17, 20, 23, 30, 34, 46, 51, 60, 68, 69, 85, 92, 102, 115, 138, 170, 204, 230, 255, 276, 340, 345, 391, 460, 510, 690, 782, 859, 1020, 1173, 1380, 1564, 1718, 1955, 2346, 2577, 3436, 3910, 4295, 4692, 5154, 5865, 7820, 8590, 10308, 11730, 12885, 14603, 17180, 19757, 23460, 25770, 29206, 39514, 43809, 51540, 58412, 59271, 73015, 79028, 87618, 98785, 118542, 146030, 175236, 197570, 219045, 237084, 292060, 296355, 335869, 395140, 438090, 592710, 671738, 876180, 1007607, 1185420, 1343476, 1679345, 2015214, 3358690, 4030428, 5038035, 6717380, 10076070, 20152140]

約数ペア:

[(1, 20152140), (2, 10076070), (3, 6717380), (4, 5038035), (5, 4030428), (6, 3358690), (10, 2015214), (12, 1679345), (15, 1343476), (17, 1185420), (20, 1007607), (23, 876180), (30, 671738), (34, 592710), (46, 438090), (51, 395140), (60, 335869), (68, 296355), (69, 292060), (85, 237084), (92, 219045), (102, 197570), (115, 175236), (138, 146030), (170, 118542), (204, 98785), (230, 87618), (255, 79028), (276, 73015), (340, 59271), (345, 58412), (391, 51540), (460, 43809), (510, 39514), (690, 29206), (782, 25770), (859, 23460), (1020, 19757), (1173, 17180), (1380, 14603), (1564, 12885), (1718, 11730), (1955, 10308), (2346, 8590), (2577, 7820), (3436, 5865), (3910, 5154), (4295, 4692)]