20171448952

素因数分解:

$2^3\times {\mathrm{19}}^1\times {\mathrm{37}}^1\times {\mathrm{43}}^1\times {\mathrm{239}}^1\times {\mathrm{349}}^1$

素因数の和:693

約数の個数: 128

約数和(自身を含む): 42134400000

約数和(自身を除く): 21962951048

約数列:

[1, 2, 4, 8, 19, 37, 38, 43, 74, 76, 86, 148, 152, 172, 239, 296, 344, 349, 478, 698, 703, 817, 956, 1396, 1406, 1591, 1634, 1912, 2792, 2812, 3182, 3268, 4541, 5624, 6364, 6536, 6631, 8843, 9082, 10277, 12728, 12913, 13262, 15007, 17686, 18164, 20554, 25826, 26524, 30014, 30229, 35372, 36328, 41108, 51652, 53048, 60028, 60458, 70744, 82216, 83411, 103304, 120056, 120916, 166822, 168017, 195263, 241832, 245347, 285133, 333644, 336034, 380249, 390526, 490694, 555259, 570266, 667288, 672068, 760498, 781052, 981388, 1110518, 1140532, 1344136, 1520996, 1562104, 1584809, 1962776, 2221036, 2281064, 3041992, 3086207, 3169618, 3586673, 4442072, 6172414, 6339236, 7173346, 7224731, 10549921, 12344828, 12678472, 14346692, 14449462, 21099842, 24689656, 28693384, 28898924, 42199684, 57797848, 58637933, 68146787, 84399368, 117275866, 132706901, 136293574, 234551732, 265413802, 272587148, 469103464, 530827604, 545174296, 1061655208, 2521431119, 5042862238, 10085724476, 20171448952]

約数ペア:

[(1, 20171448952), (2, 10085724476), (4, 5042862238), (8, 2521431119), (19, 1061655208), (37, 545174296), (38, 530827604), (43, 469103464), (74, 272587148), (76, 265413802), (86, 234551732), (148, 136293574), (152, 132706901), (172, 117275866), (239, 84399368), (296, 68146787), (344, 58637933), (349, 57797848), (478, 42199684), (698, 28898924), (703, 28693384), (817, 24689656), (956, 21099842), (1396, 14449462), (1406, 14346692), (1591, 12678472), (1634, 12344828), (1912, 10549921), (2792, 7224731), (2812, 7173346), (3182, 6339236), (3268, 6172414), (4541, 4442072), (5624, 3586673), (6364, 3169618), (6536, 3086207), (6631, 3041992), (8843, 2281064), (9082, 2221036), (10277, 1962776), (12728, 1584809), (12913, 1562104), (13262, 1520996), (15007, 1344136), (17686, 1140532), (18164, 1110518), (20554, 981388), (25826, 781052), (26524, 760498), (30014, 672068), (30229, 667288), (35372, 570266), (36328, 555259), (41108, 490694), (51652, 390526), (53048, 380249), (60028, 336034), (60458, 333644), (70744, 285133), (82216, 245347), (83411, 241832), (103304, 195263), (120056, 168017), (120916, 166822)]