20280551340

素因数分解:

$2^2\times 3^1\times 5^1\times 7^1\times {\mathrm{1511}}^1\times {\mathrm{31957}}^1$

素因数の和:33487

約数の個数: 96

約数和(自身を含む): 64942746624

約数和(自身を除く): 44662195284

約数列:

[1, 2, 3, 4, 5, 6, 7, 10, 12, 14, 15, 20, 21, 28, 30, 35, 42, 60, 70, 84, 105, 140, 210, 420, 1511, 3022, 4533, 6044, 7555, 9066, 10577, 15110, 18132, 21154, 22665, 30220, 31731, 31957, 42308, 45330, 52885, 63462, 63914, 90660, 95871, 105770, 126924, 127828, 158655, 159785, 191742, 211540, 223699, 317310, 319570, 383484, 447398, 479355, 634620, 639140, 671097, 894796, 958710, 1118495, 1342194, 1917420, 2236990, 2684388, 3355485, 4473980, 6710970, 13421940, 48287027, 96574054, 144861081, 193148108, 241435135, 289722162, 338009189, 482870270, 579444324, 676018378, 724305405, 965740540, 1014027567, 1352036756, 1448610810, 1690045945, 2028055134, 2897221620, 3380091890, 4056110268, 5070137835, 6760183780, 10140275670, 20280551340]

約数ペア:

[(1, 20280551340), (2, 10140275670), (3, 6760183780), (4, 5070137835), (5, 4056110268), (6, 3380091890), (7, 2897221620), (10, 2028055134), (12, 1690045945), (14, 1448610810), (15, 1352036756), (20, 1014027567), (21, 965740540), (28, 724305405), (30, 676018378), (35, 579444324), (42, 482870270), (60, 338009189), (70, 289722162), (84, 241435135), (105, 193148108), (140, 144861081), (210, 96574054), (420, 48287027), (1511, 13421940), (3022, 6710970), (4533, 4473980), (6044, 3355485), (7555, 2684388), (9066, 2236990), (10577, 1917420), (15110, 1342194), (18132, 1118495), (21154, 958710), (22665, 894796), (30220, 671097), (31731, 639140), (31957, 634620), (42308, 479355), (45330, 447398), (52885, 383484), (63462, 319570), (63914, 317310), (90660, 223699), (95871, 211540), (105770, 191742), (126924, 159785), (127828, 158655)]