20342878096

素因数分解:

$2^4\times {\mathrm{17}}^1\times {\mathrm{59}}^1\times {\mathrm{89}}^1\times {\mathrm{14243}}^1$

素因数の和:14416

約数の個数: 80

約数和(自身を含む): 42920020800

約数和(自身を除く): 22577142704

約数列:

[1, 2, 4, 8, 16, 17, 34, 59, 68, 89, 118, 136, 178, 236, 272, 356, 472, 712, 944, 1003, 1424, 1513, 2006, 3026, 4012, 5251, 6052, 8024, 10502, 12104, 14243, 16048, 21004, 24208, 28486, 42008, 56972, 84016, 89267, 113944, 178534, 227888, 242131, 357068, 484262, 714136, 840337, 968524, 1267627, 1428272, 1680674, 1937048, 2535254, 3361348, 3874096, 5070508, 6722696, 10141016, 13445392, 14285729, 20282032, 21549659, 28571458, 43099318, 57142916, 74789993, 86198636, 114285832, 149579986, 172397272, 228571664, 299159972, 344794544, 598319944, 1196639888, 1271429881, 2542859762, 5085719524, 10171439048, 20342878096]

約数ペア:

[(1, 20342878096), (2, 10171439048), (4, 5085719524), (8, 2542859762), (16, 1271429881), (17, 1196639888), (34, 598319944), (59, 344794544), (68, 299159972), (89, 228571664), (118, 172397272), (136, 149579986), (178, 114285832), (236, 86198636), (272, 74789993), (356, 57142916), (472, 43099318), (712, 28571458), (944, 21549659), (1003, 20282032), (1424, 14285729), (1513, 13445392), (2006, 10141016), (3026, 6722696), (4012, 5070508), (5251, 3874096), (6052, 3361348), (8024, 2535254), (10502, 1937048), (12104, 1680674), (14243, 1428272), (16048, 1267627), (21004, 968524), (24208, 840337), (28486, 714136), (42008, 484262), (56972, 357068), (84016, 242131), (89267, 227888), (113944, 178534)]