20537370

素因数分解:

$2^1\times 3^2\times 5^1\times 7^2\times {\mathrm{4657}}^1$

素因数の和:4684

約数の個数: 72

約数和(自身を含む): 62128404

約数和(自身を除く): 41591034

約数列:

[1, 2, 3, 5, 6, 7, 9, 10, 14, 15, 18, 21, 30, 35, 42, 45, 49, 63, 70, 90, 98, 105, 126, 147, 210, 245, 294, 315, 441, 490, 630, 735, 882, 1470, 2205, 4410, 4657, 9314, 13971, 23285, 27942, 32599, 41913, 46570, 65198, 69855, 83826, 97797, 139710, 162995, 195594, 209565, 228193, 293391, 325990, 419130, 456386, 488985, 586782, 684579, 977970, 1140965, 1369158, 1466955, 2053737, 2281930, 2933910, 3422895, 4107474, 6845790, 10268685, 20537370]

約数ペア:

[(1, 20537370), (2, 10268685), (3, 6845790), (5, 4107474), (6, 3422895), (7, 2933910), (9, 2281930), (10, 2053737), (14, 1466955), (15, 1369158), (18, 1140965), (21, 977970), (30, 684579), (35, 586782), (42, 488985), (45, 456386), (49, 419130), (63, 325990), (70, 293391), (90, 228193), (98, 209565), (105, 195594), (126, 162995), (147, 139710), (210, 97797), (245, 83826), (294, 69855), (315, 65198), (441, 46570), (490, 41913), (630, 32599), (735, 27942), (882, 23285), (1470, 13971), (2205, 9314), (4410, 4657)]