20020650

素因数分解:

$2^1\times 3^1\times 5^2\times {\mathrm{13}}^1\times {\mathrm{10267}}^1$

素因数の和:10295

約数の個数: 48

約数和(自身を含む): 53475744

約数和(自身を除く): 33455094

約数列:

[1, 2, 3, 5, 6, 10, 13, 15, 25, 26, 30, 39, 50, 65, 75, 78, 130, 150, 195, 325, 390, 650, 975, 1950, 10267, 20534, 30801, 51335, 61602, 102670, 133471, 154005, 256675, 266942, 308010, 400413, 513350, 667355, 770025, 800826, 1334710, 1540050, 2002065, 3336775, 4004130, 6673550, 10010325, 20020650]

約数ペア:

[(1, 20020650), (2, 10010325), (3, 6673550), (5, 4004130), (6, 3336775), (10, 2002065), (13, 1540050), (15, 1334710), (25, 800826), (26, 770025), (30, 667355), (39, 513350), (50, 400413), (65, 308010), (75, 266942), (78, 256675), (130, 154005), (150, 133471), (195, 102670), (325, 61602), (390, 51335), (650, 30801), (975, 20534), (1950, 10267)]