20015100

素因数分解:

$2^2\times 3^4\times 5^2\times 7^1\times {\mathrm{353}}^1$

素因数の和:386

約数の個数: 180

約数和(自身を含む): 74359824

約数和(自身を除く): 54344724

約数列:

[1, 2, 3, 4, 5, 6, 7, 9, 10, 12, 14, 15, 18, 20, 21, 25, 27, 28, 30, 35, 36, 42, 45, 50, 54, 60, 63, 70, 75, 81, 84, 90, 100, 105, 108, 126, 135, 140, 150, 162, 175, 180, 189, 210, 225, 252, 270, 300, 315, 324, 350, 353, 378, 405, 420, 450, 525, 540, 567, 630, 675, 700, 706, 756, 810, 900, 945, 1050, 1059, 1134, 1260, 1350, 1412, 1575, 1620, 1765, 1890, 2025, 2100, 2118, 2268, 2471, 2700, 2835, 3150, 3177, 3530, 3780, 4050, 4236, 4725, 4942, 5295, 5670, 6300, 6354, 7060, 7413, 8100, 8825, 9450, 9531, 9884, 10590, 11340, 12355, 12708, 14175, 14826, 15885, 17650, 18900, 19062, 21180, 22239, 24710, 26475, 28350, 28593, 29652, 31770, 35300, 37065, 38124, 44478, 47655, 49420, 52950, 56700, 57186, 61775, 63540, 66717, 74130, 79425, 88956, 95310, 105900, 111195, 114372, 123550, 133434, 142965, 148260, 158850, 185325, 190620, 200151, 222390, 238275, 247100, 266868, 285930, 317700, 333585, 370650, 400302, 444780, 476550, 555975, 571860, 667170, 714825, 741300, 800604, 953100, 1000755, 1111950, 1334340, 1429650, 1667925, 2001510, 2223900, 2859300, 3335850, 4003020, 5003775, 6671700, 10007550, 20015100]

約数ペア:

[(1, 20015100), (2, 10007550), (3, 6671700), (4, 5003775), (5, 4003020), (6, 3335850), (7, 2859300), (9, 2223900), (10, 2001510), (12, 1667925), (14, 1429650), (15, 1334340), (18, 1111950), (20, 1000755), (21, 953100), (25, 800604), (27, 741300), (28, 714825), (30, 667170), (35, 571860), (36, 555975), (42, 476550), (45, 444780), (50, 400302), (54, 370650), (60, 333585), (63, 317700), (70, 285930), (75, 266868), (81, 247100), (84, 238275), (90, 222390), (100, 200151), (105, 190620), (108, 185325), (126, 158850), (135, 148260), (140, 142965), (150, 133434), (162, 123550), (175, 114372), (180, 111195), (189, 105900), (210, 95310), (225, 88956), (252, 79425), (270, 74130), (300, 66717), (315, 63540), (324, 61775), (350, 57186), (353, 56700), (378, 52950), (405, 49420), (420, 47655), (450, 44478), (525, 38124), (540, 37065), (567, 35300), (630, 31770), (675, 29652), (700, 28593), (706, 28350), (756, 26475), (810, 24710), (900, 22239), (945, 21180), (1050, 19062), (1059, 18900), (1134, 17650), (1260, 15885), (1350, 14826), (1412, 14175), (1575, 12708), (1620, 12355), (1765, 11340), (1890, 10590), (2025, 9884), (2100, 9531), (2118, 9450), (2268, 8825), (2471, 8100), (2700, 7413), (2835, 7060), (3150, 6354), (3177, 6300), (3530, 5670), (3780, 5295), (4050, 4942), (4236, 4725)]