20922120

素因数分解:

$2^3\times 3^2\times 5^1\times {\mathrm{89}}^1\times {\mathrm{653}}^1$

素因数の和:759

約数の個数: 96

約数和(自身を含む): 68866200

約数和(自身を除く): 47944080

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 18, 20, 24, 30, 36, 40, 45, 60, 72, 89, 90, 120, 178, 180, 267, 356, 360, 445, 534, 653, 712, 801, 890, 1068, 1306, 1335, 1602, 1780, 1959, 2136, 2612, 2670, 3204, 3265, 3560, 3918, 4005, 5224, 5340, 5877, 6408, 6530, 7836, 8010, 9795, 10680, 11754, 13060, 15672, 16020, 19590, 23508, 26120, 29385, 32040, 39180, 47016, 58117, 58770, 78360, 116234, 117540, 174351, 232468, 235080, 290585, 348702, 464936, 523053, 581170, 697404, 871755, 1046106, 1162340, 1394808, 1743510, 2092212, 2324680, 2615265, 3487020, 4184424, 5230530, 6974040, 10461060, 20922120]

約数ペア:

[(1, 20922120), (2, 10461060), (3, 6974040), (4, 5230530), (5, 4184424), (6, 3487020), (8, 2615265), (9, 2324680), (10, 2092212), (12, 1743510), (15, 1394808), (18, 1162340), (20, 1046106), (24, 871755), (30, 697404), (36, 581170), (40, 523053), (45, 464936), (60, 348702), (72, 290585), (89, 235080), (90, 232468), (120, 174351), (178, 117540), (180, 116234), (267, 78360), (356, 58770), (360, 58117), (445, 47016), (534, 39180), (653, 32040), (712, 29385), (801, 26120), (890, 23508), (1068, 19590), (1306, 16020), (1335, 15672), (1602, 13060), (1780, 11754), (1959, 10680), (2136, 9795), (2612, 8010), (2670, 7836), (3204, 6530), (3265, 6408), (3560, 5877), (3918, 5340), (4005, 5224)]