20175099435

素因数分解:

$3^3\times 5^1\times {\mathrm{17}}^1\times {\mathrm{61}}^1\times {\mathrm{211}}^1\times {\mathrm{683}}^1$

素因数の和:986

約数の個数: 128

約数和(自身を含む): 38838942720

約数和(自身を除く): 18663843285

約数列:

[1, 3, 5, 9, 15, 17, 27, 45, 51, 61, 85, 135, 153, 183, 211, 255, 305, 459, 549, 633, 683, 765, 915, 1037, 1055, 1647, 1899, 2049, 2295, 2745, 3111, 3165, 3415, 3587, 5185, 5697, 6147, 8235, 9333, 9495, 10245, 10761, 11611, 12871, 15555, 17935, 18441, 27999, 28485, 30735, 32283, 34833, 38613, 41663, 46665, 53805, 58055, 64355, 92205, 96849, 104499, 115839, 124989, 139995, 144113, 161415, 174165, 193065, 208315, 218807, 313497, 347517, 374967, 432339, 484245, 522495, 579195, 624945, 656421, 708271, 720565, 1094035, 1124901, 1297017, 1567485, 1737585, 1874835, 1969263, 2124813, 2161695, 2449921, 3282105, 3541355, 3891051, 5624505, 5907789, 6374439, 6485085, 7349763, 8790893, 9846315, 10624065, 12249605, 19123317, 19455255, 22049289, 26372679, 29538945, 31872195, 36748815, 43954465, 66147867, 79118037, 95616585, 110246445, 131863395, 149445181, 237354111, 330739335, 395590185, 448335543, 747225905, 1186770555, 1345006629, 2241677715, 4035019887, 6725033145, 20175099435]

約数ペア:

[(1, 20175099435), (3, 6725033145), (5, 4035019887), (9, 2241677715), (15, 1345006629), (17, 1186770555), (27, 747225905), (45, 448335543), (51, 395590185), (61, 330739335), (85, 237354111), (135, 149445181), (153, 131863395), (183, 110246445), (211, 95616585), (255, 79118037), (305, 66147867), (459, 43954465), (549, 36748815), (633, 31872195), (683, 29538945), (765, 26372679), (915, 22049289), (1037, 19455255), (1055, 19123317), (1647, 12249605), (1899, 10624065), (2049, 9846315), (2295, 8790893), (2745, 7349763), (3111, 6485085), (3165, 6374439), (3415, 5907789), (3587, 5624505), (5185, 3891051), (5697, 3541355), (6147, 3282105), (8235, 2449921), (9333, 2161695), (9495, 2124813), (10245, 1969263), (10761, 1874835), (11611, 1737585), (12871, 1567485), (15555, 1297017), (17935, 1124901), (18441, 1094035), (27999, 720565), (28485, 708271), (30735, 656421), (32283, 624945), (34833, 579195), (38613, 522495), (41663, 484245), (46665, 432339), (53805, 374967), (58055, 347517), (64355, 313497), (92205, 218807), (96849, 208315), (104499, 193065), (115839, 174165), (124989, 161415), (139995, 144113)]