20790896630

素因数分解:

$2^1\times 5^1\times 7^1\times {\mathrm{29}}^1\times {\mathrm{67}}^1\times {\mathrm{71}}^1\times {\mathrm{2153}}^1$

素因数の和:2334

約数の個数: 128

約数和(自身を含む): 45558650880

約数和(自身を除く): 24767754250

約数列:

[1, 2, 5, 7, 10, 14, 29, 35, 58, 67, 70, 71, 134, 142, 145, 203, 290, 335, 355, 406, 469, 497, 670, 710, 938, 994, 1015, 1943, 2030, 2059, 2153, 2345, 2485, 3886, 4118, 4306, 4690, 4757, 4970, 9514, 9715, 10295, 10765, 13601, 14413, 15071, 19430, 20590, 21530, 23785, 27202, 28826, 30142, 33299, 47570, 62437, 66598, 68005, 72065, 75355, 124874, 136010, 137953, 144130, 144251, 150710, 152863, 166495, 275906, 288502, 305726, 312185, 332990, 437059, 624370, 689765, 721255, 764315, 874118, 965671, 1009757, 1070041, 1379530, 1442510, 1528630, 1931342, 2019514, 2140082, 2185295, 4183279, 4370590, 4433027, 4828355, 5048785, 5350205, 8366558, 8866054, 9656710, 10097570, 10241821, 10700410, 20483642, 20916395, 22165135, 29282953, 31031189, 41832790, 44330270, 51209105, 58565906, 62062378, 71692747, 102418210, 143385494, 146414765, 155155945, 292829530, 297012809, 310311890, 358463735, 594025618, 716927470, 1485064045, 2079089663, 2970128090, 4158179326, 10395448315, 20790896630]

約数ペア:

[(1, 20790896630), (2, 10395448315), (5, 4158179326), (7, 2970128090), (10, 2079089663), (14, 1485064045), (29, 716927470), (35, 594025618), (58, 358463735), (67, 310311890), (70, 297012809), (71, 292829530), (134, 155155945), (142, 146414765), (145, 143385494), (203, 102418210), (290, 71692747), (335, 62062378), (355, 58565906), (406, 51209105), (469, 44330270), (497, 41832790), (670, 31031189), (710, 29282953), (938, 22165135), (994, 20916395), (1015, 20483642), (1943, 10700410), (2030, 10241821), (2059, 10097570), (2153, 9656710), (2345, 8866054), (2485, 8366558), (3886, 5350205), (4118, 5048785), (4306, 4828355), (4690, 4433027), (4757, 4370590), (4970, 4183279), (9514, 2185295), (9715, 2140082), (10295, 2019514), (10765, 1931342), (13601, 1528630), (14413, 1442510), (15071, 1379530), (19430, 1070041), (20590, 1009757), (21530, 965671), (23785, 874118), (27202, 764315), (28826, 721255), (30142, 689765), (33299, 624370), (47570, 437059), (62437, 332990), (66598, 312185), (68005, 305726), (72065, 288502), (75355, 275906), (124874, 166495), (136010, 152863), (137953, 150710), (144130, 144251)]