20011950

素因数分解:

$2^1\times 3^2\times 5^2\times 7^1\times {\mathrm{6353}}^1$

素因数の和:6378

約数の個数: 72

約数和(自身を含む): 61455888

約数和(自身を除く): 41443938

約数列:

[1, 2, 3, 5, 6, 7, 9, 10, 14, 15, 18, 21, 25, 30, 35, 42, 45, 50, 63, 70, 75, 90, 105, 126, 150, 175, 210, 225, 315, 350, 450, 525, 630, 1050, 1575, 3150, 6353, 12706, 19059, 31765, 38118, 44471, 57177, 63530, 88942, 95295, 114354, 133413, 158825, 190590, 222355, 266826, 285885, 317650, 400239, 444710, 476475, 571770, 667065, 800478, 952950, 1111775, 1334130, 1429425, 2001195, 2223550, 2858850, 3335325, 4002390, 6670650, 10005975, 20011950]

約数ペア:

[(1, 20011950), (2, 10005975), (3, 6670650), (5, 4002390), (6, 3335325), (7, 2858850), (9, 2223550), (10, 2001195), (14, 1429425), (15, 1334130), (18, 1111775), (21, 952950), (25, 800478), (30, 667065), (35, 571770), (42, 476475), (45, 444710), (50, 400239), (63, 317650), (70, 285885), (75, 266826), (90, 222355), (105, 190590), (126, 158825), (150, 133413), (175, 114354), (210, 95295), (225, 88942), (315, 63530), (350, 57177), (450, 44471), (525, 38118), (630, 31765), (1050, 19059), (1575, 12706), (3150, 6353)]