20196270

素因数分解:

$2^1\times 3^3\times 5^1\times {\mathrm{131}}^1\times {\mathrm{571}}^1$

素因数の和:718

約数の個数: 64

約数和(自身を含む): 54362880

約数和(自身を除く): 34166610

約数列:

[1, 2, 3, 5, 6, 9, 10, 15, 18, 27, 30, 45, 54, 90, 131, 135, 262, 270, 393, 571, 655, 786, 1142, 1179, 1310, 1713, 1965, 2358, 2855, 3426, 3537, 3930, 5139, 5710, 5895, 7074, 8565, 10278, 11790, 15417, 17130, 17685, 25695, 30834, 35370, 51390, 74801, 77085, 149602, 154170, 224403, 374005, 448806, 673209, 748010, 1122015, 1346418, 2019627, 2244030, 3366045, 4039254, 6732090, 10098135, 20196270]

約数ペア:

[(1, 20196270), (2, 10098135), (3, 6732090), (5, 4039254), (6, 3366045), (9, 2244030), (10, 2019627), (15, 1346418), (18, 1122015), (27, 748010), (30, 673209), (45, 448806), (54, 374005), (90, 224403), (131, 154170), (135, 149602), (262, 77085), (270, 74801), (393, 51390), (571, 35370), (655, 30834), (786, 25695), (1142, 17685), (1179, 17130), (1310, 15417), (1713, 11790), (1965, 10278), (2358, 8565), (2855, 7074), (3426, 5895), (3537, 5710), (3930, 5139)]