20844330

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{29}}^1\times {\mathrm{97}}^1$

素因数の和:168

約数の個数: 128

約数和(自身を含む): 59270400

約数和(自身を除く): 38426070

約数列:

[1, 2, 3, 5, 6, 10, 13, 15, 19, 26, 29, 30, 38, 39, 57, 58, 65, 78, 87, 95, 97, 114, 130, 145, 174, 190, 194, 195, 247, 285, 290, 291, 377, 390, 435, 485, 494, 551, 570, 582, 741, 754, 870, 970, 1102, 1131, 1235, 1261, 1455, 1482, 1653, 1843, 1885, 2262, 2470, 2522, 2755, 2813, 2910, 3306, 3686, 3705, 3770, 3783, 5510, 5529, 5626, 5655, 6305, 7163, 7410, 7566, 8265, 8439, 9215, 11058, 11310, 12610, 14065, 14326, 16530, 16878, 18430, 18915, 21489, 23959, 27645, 28130, 35815, 36569, 37830, 42195, 42978, 47918, 53447, 55290, 71630, 71877, 73138, 84390, 106894, 107445, 109707, 119795, 143754, 160341, 182845, 214890, 219414, 239590, 267235, 320682, 359385, 365690, 534470, 548535, 694811, 718770, 801705, 1097070, 1389622, 1603410, 2084433, 3474055, 4168866, 6948110, 10422165, 20844330]

約数ペア:

[(1, 20844330), (2, 10422165), (3, 6948110), (5, 4168866), (6, 3474055), (10, 2084433), (13, 1603410), (15, 1389622), (19, 1097070), (26, 801705), (29, 718770), (30, 694811), (38, 548535), (39, 534470), (57, 365690), (58, 359385), (65, 320682), (78, 267235), (87, 239590), (95, 219414), (97, 214890), (114, 182845), (130, 160341), (145, 143754), (174, 119795), (190, 109707), (194, 107445), (195, 106894), (247, 84390), (285, 73138), (290, 71877), (291, 71630), (377, 55290), (390, 53447), (435, 47918), (485, 42978), (494, 42195), (551, 37830), (570, 36569), (582, 35815), (741, 28130), (754, 27645), (870, 23959), (970, 21489), (1102, 18915), (1131, 18430), (1235, 16878), (1261, 16530), (1455, 14326), (1482, 14065), (1653, 12610), (1843, 11310), (1885, 11058), (2262, 9215), (2470, 8439), (2522, 8265), (2755, 7566), (2813, 7410), (2910, 7163), (3306, 6305), (3686, 5655), (3705, 5626), (3770, 5529), (3783, 5510)]