20421148605

素因数分解:

$3^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{83}}^1\times {\mathrm{6037}}^1$

素因数の和:6171

約数の個数: 128

約数和(自身を含む): 40899962880

約数和(自身を除く): 20478814275

約数列:

[1, 3, 5, 11, 13, 15, 19, 33, 39, 55, 57, 65, 83, 95, 143, 165, 195, 209, 247, 249, 285, 415, 429, 627, 715, 741, 913, 1045, 1079, 1235, 1245, 1577, 2145, 2717, 2739, 3135, 3237, 3705, 4565, 4731, 5395, 6037, 7885, 8151, 11869, 13585, 13695, 16185, 17347, 18111, 20501, 23655, 30185, 35607, 40755, 52041, 59345, 61503, 66407, 78481, 86735, 90555, 102505, 114703, 178035, 199221, 225511, 235443, 260205, 307515, 332035, 344109, 392405, 501071, 573515, 676533, 863291, 996105, 1127555, 1177215, 1261733, 1491139, 1503213, 1720545, 2505355, 2589873, 3382665, 3785199, 4316455, 4473417, 5511781, 6308665, 6513923, 7455695, 7516065, 9520349, 12949365, 16402529, 16535343, 18925995, 19541769, 22367085, 27558905, 28561047, 32569615, 47601745, 49207587, 71653153, 82012645, 82676715, 97708845, 104723839, 123764537, 142805235, 214959459, 246037935, 314171517, 358265765, 371293611, 523619195, 618822685, 1074797295, 1361409907, 1570857585, 1856468055, 4084229721, 6807049535, 20421148605]

約数ペア:

[(1, 20421148605), (3, 6807049535), (5, 4084229721), (11, 1856468055), (13, 1570857585), (15, 1361409907), (19, 1074797295), (33, 618822685), (39, 523619195), (55, 371293611), (57, 358265765), (65, 314171517), (83, 246037935), (95, 214959459), (143, 142805235), (165, 123764537), (195, 104723839), (209, 97708845), (247, 82676715), (249, 82012645), (285, 71653153), (415, 49207587), (429, 47601745), (627, 32569615), (715, 28561047), (741, 27558905), (913, 22367085), (1045, 19541769), (1079, 18925995), (1235, 16535343), (1245, 16402529), (1577, 12949365), (2145, 9520349), (2717, 7516065), (2739, 7455695), (3135, 6513923), (3237, 6308665), (3705, 5511781), (4565, 4473417), (4731, 4316455), (5395, 3785199), (6037, 3382665), (7885, 2589873), (8151, 2505355), (11869, 1720545), (13585, 1503213), (13695, 1491139), (16185, 1261733), (17347, 1177215), (18111, 1127555), (20501, 996105), (23655, 863291), (30185, 676533), (35607, 573515), (40755, 501071), (52041, 392405), (59345, 344109), (61503, 332035), (66407, 307515), (78481, 260205), (86735, 235443), (90555, 225511), (102505, 199221), (114703, 178035)]