20211478680

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{541}}^1\times {\mathrm{311329}}^1$

素因数の和:311884

約数の個数: 64

約数和(自身を含む): 60746709600

約数和(自身を除く): 40535230920

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 20, 24, 30, 40, 60, 120, 541, 1082, 1623, 2164, 2705, 3246, 4328, 5410, 6492, 8115, 10820, 12984, 16230, 21640, 32460, 64920, 311329, 622658, 933987, 1245316, 1556645, 1867974, 2490632, 3113290, 3735948, 4669935, 6226580, 7471896, 9339870, 12453160, 18679740, 37359480, 168428989, 336857978, 505286967, 673715956, 842144945, 1010573934, 1347431912, 1684289890, 2021147868, 2526434835, 3368579780, 4042295736, 5052869670, 6737159560, 10105739340, 20211478680]

約数ペア:

[(1, 20211478680), (2, 10105739340), (3, 6737159560), (4, 5052869670), (5, 4042295736), (6, 3368579780), (8, 2526434835), (10, 2021147868), (12, 1684289890), (15, 1347431912), (20, 1010573934), (24, 842144945), (30, 673715956), (40, 505286967), (60, 336857978), (120, 168428989), (541, 37359480), (1082, 18679740), (1623, 12453160), (2164, 9339870), (2705, 7471896), (3246, 6226580), (4328, 4669935), (5410, 3735948), (6492, 3113290), (8115, 2490632), (10820, 1867974), (12984, 1556645), (16230, 1245316), (21640, 933987), (32460, 622658), (64920, 311329)]