20243860

素因数分解:

$2^2\times 5^1\times 7^3\times {\mathrm{13}}^1\times {\mathrm{227}}^1$

素因数の和:270

約数の個数: 96

約数和(自身を含む): 53625600

約数和(自身を除く): 33381740

約数列:

[1, 2, 4, 5, 7, 10, 13, 14, 20, 26, 28, 35, 49, 52, 65, 70, 91, 98, 130, 140, 182, 196, 227, 245, 260, 343, 364, 454, 455, 490, 637, 686, 908, 910, 980, 1135, 1274, 1372, 1589, 1715, 1820, 2270, 2548, 2951, 3178, 3185, 3430, 4459, 4540, 5902, 6356, 6370, 6860, 7945, 8918, 11123, 11804, 12740, 14755, 15890, 17836, 20657, 22246, 22295, 29510, 31780, 41314, 44492, 44590, 55615, 59020, 77861, 82628, 89180, 103285, 111230, 144599, 155722, 206570, 222460, 289198, 311444, 389305, 413140, 578396, 722995, 778610, 1012193, 1445990, 1557220, 2024386, 2891980, 4048772, 5060965, 10121930, 20243860]

約数ペア:

[(1, 20243860), (2, 10121930), (4, 5060965), (5, 4048772), (7, 2891980), (10, 2024386), (13, 1557220), (14, 1445990), (20, 1012193), (26, 778610), (28, 722995), (35, 578396), (49, 413140), (52, 389305), (65, 311444), (70, 289198), (91, 222460), (98, 206570), (130, 155722), (140, 144599), (182, 111230), (196, 103285), (227, 89180), (245, 82628), (260, 77861), (343, 59020), (364, 55615), (454, 44590), (455, 44492), (490, 41314), (637, 31780), (686, 29510), (908, 22295), (910, 22246), (980, 20657), (1135, 17836), (1274, 15890), (1372, 14755), (1589, 12740), (1715, 11804), (1820, 11123), (2270, 8918), (2548, 7945), (2951, 6860), (3178, 6370), (3185, 6356), (3430, 5902), (4459, 4540)]