20020260

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{25667}}^1$

素因数の和:25692

約数の個数: 48

約数和(自身を含む): 60371136

約数和(自身を除く): 40350876

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 13, 15, 20, 26, 30, 39, 52, 60, 65, 78, 130, 156, 195, 260, 390, 780, 25667, 51334, 77001, 102668, 128335, 154002, 256670, 308004, 333671, 385005, 513340, 667342, 770010, 1001013, 1334684, 1540020, 1668355, 2002026, 3336710, 4004052, 5005065, 6673420, 10010130, 20020260]

約数ペア:

[(1, 20020260), (2, 10010130), (3, 6673420), (4, 5005065), (5, 4004052), (6, 3336710), (10, 2002026), (12, 1668355), (13, 1540020), (15, 1334684), (20, 1001013), (26, 770010), (30, 667342), (39, 513340), (52, 385005), (60, 333671), (65, 308004), (78, 256670), (130, 154002), (156, 128335), (195, 102668), (260, 77001), (390, 51334), (780, 25667)]