20221840

素因数分解:

$2^4\times 5^1\times {\mathrm{17}}^1\times {\mathrm{14869}}^1$

素因数の和:14899

約数の個数: 40

約数和(自身を含む): 49784760

約数和(自身を除く): 29562920

約数列:

[1, 2, 4, 5, 8, 10, 16, 17, 20, 34, 40, 68, 80, 85, 136, 170, 272, 340, 680, 1360, 14869, 29738, 59476, 74345, 118952, 148690, 237904, 252773, 297380, 505546, 594760, 1011092, 1189520, 1263865, 2022184, 2527730, 4044368, 5055460, 10110920, 20221840]

約数ペア:

[(1, 20221840), (2, 10110920), (4, 5055460), (5, 4044368), (8, 2527730), (10, 2022184), (16, 1263865), (17, 1189520), (20, 1011092), (34, 594760), (40, 505546), (68, 297380), (80, 252773), (85, 237904), (136, 148690), (170, 118952), (272, 74345), (340, 59476), (680, 29738), (1360, 14869)]