20462933178

素因数分解:

$2^1\times 3^3\times {\mathrm{97}}^1\times {\mathrm{149}}^1\times {\mathrm{157}}^1\times {\mathrm{167}}^1$

素因数の和:581

約数の個数: 128

約数和(自身を含む): 46823616000

約数和(自身を除く): 26360682822

約数列:

[1, 2, 3, 6, 9, 18, 27, 54, 97, 149, 157, 167, 194, 291, 298, 314, 334, 447, 471, 501, 582, 873, 894, 942, 1002, 1341, 1413, 1503, 1746, 2619, 2682, 2826, 3006, 4023, 4239, 4509, 5238, 8046, 8478, 9018, 14453, 15229, 16199, 23393, 24883, 26219, 28906, 30458, 32398, 43359, 45687, 46786, 48597, 49766, 52438, 70179, 74649, 78657, 86718, 91374, 97194, 130077, 137061, 140358, 145791, 149298, 157314, 210537, 223947, 235971, 260154, 274122, 291582, 390231, 411183, 421074, 437373, 447894, 471942, 631611, 671841, 707913, 780462, 822366, 874746, 1263222, 1343682, 1415826, 2269121, 2413651, 2543243, 3906631, 4538242, 4827302, 5086486, 6807363, 7240953, 7629729, 7813262, 11719893, 13614726, 14481906, 15259458, 20422089, 21722859, 22889187, 23439786, 35159679, 40844178, 43445718, 45778374, 61266267, 65168577, 68667561, 70319358, 105479037, 122532534, 130337154, 137335122, 210958074, 378943207, 757886414, 1136829621, 2273659242, 3410488863, 6820977726, 10231466589, 20462933178]

約数ペア:

[(1, 20462933178), (2, 10231466589), (3, 6820977726), (6, 3410488863), (9, 2273659242), (18, 1136829621), (27, 757886414), (54, 378943207), (97, 210958074), (149, 137335122), (157, 130337154), (167, 122532534), (194, 105479037), (291, 70319358), (298, 68667561), (314, 65168577), (334, 61266267), (447, 45778374), (471, 43445718), (501, 40844178), (582, 35159679), (873, 23439786), (894, 22889187), (942, 21722859), (1002, 20422089), (1341, 15259458), (1413, 14481906), (1503, 13614726), (1746, 11719893), (2619, 7813262), (2682, 7629729), (2826, 7240953), (3006, 6807363), (4023, 5086486), (4239, 4827302), (4509, 4538242), (5238, 3906631), (8046, 2543243), (8478, 2413651), (9018, 2269121), (14453, 1415826), (15229, 1343682), (16199, 1263222), (23393, 874746), (24883, 822366), (26219, 780462), (28906, 707913), (30458, 671841), (32398, 631611), (43359, 471942), (45687, 447894), (46786, 437373), (48597, 421074), (49766, 411183), (52438, 390231), (70179, 291582), (74649, 274122), (78657, 260154), (86718, 235971), (91374, 223947), (97194, 210537), (130077, 157314), (137061, 149298), (140358, 145791)]