20028331120

素因数分解:

$2^4\times 5^1\times 7^1\times {\mathrm{53}}^1\times {\mathrm{199}}^1\times {\mathrm{3391}}^1$

素因数の和:3663

約数の個数: 160

約数和(自身を含む): 54510796800

約数和(自身を除く): 34482465680

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 35, 40, 53, 56, 70, 80, 106, 112, 140, 199, 212, 265, 280, 371, 398, 424, 530, 560, 742, 796, 848, 995, 1060, 1393, 1484, 1592, 1855, 1990, 2120, 2786, 2968, 3184, 3391, 3710, 3980, 4240, 5572, 5936, 6782, 6965, 7420, 7960, 10547, 11144, 13564, 13930, 14840, 15920, 16955, 21094, 22288, 23737, 27128, 27860, 29680, 33910, 42188, 47474, 52735, 54256, 55720, 67820, 73829, 84376, 94948, 105470, 111440, 118685, 135640, 147658, 168752, 179723, 189896, 210940, 237370, 271280, 295316, 359446, 369145, 379792, 421880, 474740, 590632, 674809, 718892, 738290, 843760, 898615, 949480, 1181264, 1258061, 1349618, 1437784, 1476580, 1797230, 1898960, 2516122, 2699236, 2875568, 2953160, 3374045, 3594460, 4723663, 5032244, 5398472, 5906320, 6290305, 6748090, 7188920, 9447326, 10064488, 10796944, 12580610, 13496180, 14377840, 18894652, 20128976, 23618315, 25161220, 26992360, 35764877, 37789304, 47236630, 50322440, 53984720, 71529754, 75578608, 94473260, 100644880, 143059508, 178824385, 188946520, 250354139, 286119016, 357648770, 377893040, 500708278, 572238032, 715297540, 1001416556, 1251770695, 1430595080, 2002833112, 2503541390, 2861190160, 4005666224, 5007082780, 10014165560, 20028331120]

約数ペア:

[(1, 20028331120), (2, 10014165560), (4, 5007082780), (5, 4005666224), (7, 2861190160), (8, 2503541390), (10, 2002833112), (14, 1430595080), (16, 1251770695), (20, 1001416556), (28, 715297540), (35, 572238032), (40, 500708278), (53, 377893040), (56, 357648770), (70, 286119016), (80, 250354139), (106, 188946520), (112, 178824385), (140, 143059508), (199, 100644880), (212, 94473260), (265, 75578608), (280, 71529754), (371, 53984720), (398, 50322440), (424, 47236630), (530, 37789304), (560, 35764877), (742, 26992360), (796, 25161220), (848, 23618315), (995, 20128976), (1060, 18894652), (1393, 14377840), (1484, 13496180), (1592, 12580610), (1855, 10796944), (1990, 10064488), (2120, 9447326), (2786, 7188920), (2968, 6748090), (3184, 6290305), (3391, 5906320), (3710, 5398472), (3980, 5032244), (4240, 4723663), (5572, 3594460), (5936, 3374045), (6782, 2953160), (6965, 2875568), (7420, 2699236), (7960, 2516122), (10547, 1898960), (11144, 1797230), (13564, 1476580), (13930, 1437784), (14840, 1349618), (15920, 1258061), (16955, 1181264), (21094, 949480), (22288, 898615), (23737, 843760), (27128, 738290), (27860, 718892), (29680, 674809), (33910, 590632), (42188, 474740), (47474, 421880), (52735, 379792), (54256, 369145), (55720, 359446), (67820, 295316), (73829, 271280), (84376, 237370), (94948, 210940), (105470, 189896), (111440, 179723), (118685, 168752), (135640, 147658)]