20043680

素因数分解:

$2^5\times 5^1\times {\mathrm{17}}^1\times {\mathrm{7369}}^1$

素因数の和:7401

約数の個数: 48

約数和(自身を含む): 50145480

約数和(自身を除く): 30101800

約数列:

[1, 2, 4, 5, 8, 10, 16, 17, 20, 32, 34, 40, 68, 80, 85, 136, 160, 170, 272, 340, 544, 680, 1360, 2720, 7369, 14738, 29476, 36845, 58952, 73690, 117904, 125273, 147380, 235808, 250546, 294760, 501092, 589520, 626365, 1002184, 1179040, 1252730, 2004368, 2505460, 4008736, 5010920, 10021840, 20043680]

約数ペア:

[(1, 20043680), (2, 10021840), (4, 5010920), (5, 4008736), (8, 2505460), (10, 2004368), (16, 1252730), (17, 1179040), (20, 1002184), (32, 626365), (34, 589520), (40, 501092), (68, 294760), (80, 250546), (85, 235808), (136, 147380), (160, 125273), (170, 117904), (272, 73690), (340, 58952), (544, 36845), (680, 29476), (1360, 14738), (2720, 7369)]