20197661544

素因数分解:

$2^3\times 3^2\times {\mathrm{107}}^1\times {\mathrm{449}}^1\times {\mathrm{5839}}^1$

素因数の和:6407

約数の個数: 96

約数和(自身を含む): 55345680000

約数和(自身を除く): 35148018456

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 18, 24, 36, 72, 107, 214, 321, 428, 449, 642, 856, 898, 963, 1284, 1347, 1796, 1926, 2568, 2694, 3592, 3852, 4041, 5388, 5839, 7704, 8082, 10776, 11678, 16164, 17517, 23356, 32328, 35034, 46712, 48043, 52551, 70068, 96086, 105102, 140136, 144129, 192172, 210204, 288258, 384344, 420408, 432387, 576516, 624773, 864774, 1153032, 1249546, 1729548, 1874319, 2499092, 2621711, 3459096, 3748638, 4998184, 5243422, 5622957, 7497276, 7865133, 10486844, 11245914, 14994552, 15730266, 20973688, 22491828, 23595399, 31460532, 44983656, 47190798, 62921064, 94381596, 188763192, 280523077, 561046154, 841569231, 1122092308, 1683138462, 2244184616, 2524707693, 3366276924, 5049415386, 6732553848, 10098830772, 20197661544]

約数ペア:

[(1, 20197661544), (2, 10098830772), (3, 6732553848), (4, 5049415386), (6, 3366276924), (8, 2524707693), (9, 2244184616), (12, 1683138462), (18, 1122092308), (24, 841569231), (36, 561046154), (72, 280523077), (107, 188763192), (214, 94381596), (321, 62921064), (428, 47190798), (449, 44983656), (642, 31460532), (856, 23595399), (898, 22491828), (963, 20973688), (1284, 15730266), (1347, 14994552), (1796, 11245914), (1926, 10486844), (2568, 7865133), (2694, 7497276), (3592, 5622957), (3852, 5243422), (4041, 4998184), (5388, 3748638), (5839, 3459096), (7704, 2621711), (8082, 2499092), (10776, 1874319), (11678, 1729548), (16164, 1249546), (17517, 1153032), (23356, 864774), (32328, 624773), (35034, 576516), (46712, 432387), (48043, 420408), (52551, 384344), (70068, 288258), (96086, 210204), (105102, 192172), (140136, 144129)]