20075643520

素因数分解:

$2^7\times 5^1\times {\mathrm{37}}^1\times {\mathrm{847789}}^1$

素因数の和:847845

約数の個数: 64

約数和(自身を含む): 49290510600

約数和(自身を除く): 29214867080

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 37, 40, 64, 74, 80, 128, 148, 160, 185, 296, 320, 370, 592, 640, 740, 1184, 1480, 2368, 2960, 4736, 5920, 11840, 23680, 847789, 1695578, 3391156, 4238945, 6782312, 8477890, 13564624, 16955780, 27129248, 31368193, 33911560, 54258496, 62736386, 67823120, 108516992, 125472772, 135646240, 156840965, 250945544, 271292480, 313681930, 501891088, 542584960, 627363860, 1003782176, 1254727720, 2007564352, 2509455440, 4015128704, 5018910880, 10037821760, 20075643520]

約数ペア:

[(1, 20075643520), (2, 10037821760), (4, 5018910880), (5, 4015128704), (8, 2509455440), (10, 2007564352), (16, 1254727720), (20, 1003782176), (32, 627363860), (37, 542584960), (40, 501891088), (64, 313681930), (74, 271292480), (80, 250945544), (128, 156840965), (148, 135646240), (160, 125472772), (185, 108516992), (296, 67823120), (320, 62736386), (370, 54258496), (592, 33911560), (640, 31368193), (740, 27129248), (1184, 16955780), (1480, 13564624), (2368, 8477890), (2960, 6782312), (4736, 4238945), (5920, 3391156), (11840, 1695578), (23680, 847789)]