20602140

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{61}}^1\times {\mathrm{433}}^1$

素因数の和:519

約数の個数: 96

約数和(自身を含む): 63287616

約数和(自身を除く): 42685476

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 13, 15, 20, 26, 30, 39, 52, 60, 61, 65, 78, 122, 130, 156, 183, 195, 244, 260, 305, 366, 390, 433, 610, 732, 780, 793, 866, 915, 1220, 1299, 1586, 1732, 1830, 2165, 2379, 2598, 3172, 3660, 3965, 4330, 4758, 5196, 5629, 6495, 7930, 8660, 9516, 11258, 11895, 12990, 15860, 16887, 22516, 23790, 25980, 26413, 28145, 33774, 47580, 52826, 56290, 67548, 79239, 84435, 105652, 112580, 132065, 158478, 168870, 264130, 316956, 337740, 343369, 396195, 528260, 686738, 792390, 1030107, 1373476, 1584780, 1716845, 2060214, 3433690, 4120428, 5150535, 6867380, 10301070, 20602140]

約数ペア:

[(1, 20602140), (2, 10301070), (3, 6867380), (4, 5150535), (5, 4120428), (6, 3433690), (10, 2060214), (12, 1716845), (13, 1584780), (15, 1373476), (20, 1030107), (26, 792390), (30, 686738), (39, 528260), (52, 396195), (60, 343369), (61, 337740), (65, 316956), (78, 264130), (122, 168870), (130, 158478), (156, 132065), (183, 112580), (195, 105652), (244, 84435), (260, 79239), (305, 67548), (366, 56290), (390, 52826), (433, 47580), (610, 33774), (732, 28145), (780, 26413), (793, 25980), (866, 23790), (915, 22516), (1220, 16887), (1299, 15860), (1586, 12990), (1732, 11895), (1830, 11258), (2165, 9516), (2379, 8660), (2598, 7930), (3172, 6495), (3660, 5629), (3965, 5196), (4330, 4758)]