20949246948

素因数分解:

$2^2\times 3^1\times 7^2\times {\mathrm{17}}^1\times {\mathrm{397}}^1\times {\mathrm{5279}}^1$

素因数の和:5714

約数の個数: 144

約数和(自身を含む): 60370168320

約数和(自身を除く): 39420921372

約数列:

[1, 2, 3, 4, 6, 7, 12, 14, 17, 21, 28, 34, 42, 49, 51, 68, 84, 98, 102, 119, 147, 196, 204, 238, 294, 357, 397, 476, 588, 714, 794, 833, 1191, 1428, 1588, 1666, 2382, 2499, 2779, 3332, 4764, 4998, 5279, 5558, 6749, 8337, 9996, 10558, 11116, 13498, 15837, 16674, 19453, 20247, 21116, 26996, 31674, 33348, 36953, 38906, 40494, 47243, 58359, 63348, 73906, 77812, 80988, 89743, 94486, 110859, 116718, 141729, 147812, 179486, 188972, 221718, 233436, 258671, 269229, 283458, 330701, 358972, 443436, 517342, 538458, 566916, 628201, 661402, 776013, 992103, 1034684, 1076916, 1256402, 1322804, 1552026, 1884603, 1984206, 2095763, 2512804, 3104052, 3769206, 3968412, 4191526, 4397407, 6287289, 7538412, 8383052, 8794814, 12574578, 13192221, 14670341, 17589628, 25149156, 26384442, 29340682, 35627971, 44011023, 52768884, 58681364, 71255942, 88022046, 102692387, 106883913, 142511884, 176044092, 205384774, 213767826, 249395797, 308077161, 410769548, 427535652, 498791594, 616154322, 748187391, 997583188, 1232308644, 1496374782, 1745770579, 2992749564, 3491541158, 5237311737, 6983082316, 10474623474, 20949246948]

約数ペア:

[(1, 20949246948), (2, 10474623474), (3, 6983082316), (4, 5237311737), (6, 3491541158), (7, 2992749564), (12, 1745770579), (14, 1496374782), (17, 1232308644), (21, 997583188), (28, 748187391), (34, 616154322), (42, 498791594), (49, 427535652), (51, 410769548), (68, 308077161), (84, 249395797), (98, 213767826), (102, 205384774), (119, 176044092), (147, 142511884), (196, 106883913), (204, 102692387), (238, 88022046), (294, 71255942), (357, 58681364), (397, 52768884), (476, 44011023), (588, 35627971), (714, 29340682), (794, 26384442), (833, 25149156), (1191, 17589628), (1428, 14670341), (1588, 13192221), (1666, 12574578), (2382, 8794814), (2499, 8383052), (2779, 7538412), (3332, 6287289), (4764, 4397407), (4998, 4191526), (5279, 3968412), (5558, 3769206), (6749, 3104052), (8337, 2512804), (9996, 2095763), (10558, 1984206), (11116, 1884603), (13498, 1552026), (15837, 1322804), (16674, 1256402), (19453, 1076916), (20247, 1034684), (21116, 992103), (26996, 776013), (31674, 661402), (33348, 628201), (36953, 566916), (38906, 538458), (40494, 517342), (47243, 443436), (58359, 358972), (63348, 330701), (73906, 283458), (77812, 269229), (80988, 258671), (89743, 233436), (94486, 221718), (110859, 188972), (116718, 179486), (141729, 147812)]