20178116637

素因数分解:

$3^1\times 7^1\times {\mathrm{23}}^1\times {\mathrm{83}}^1\times {\mathrm{97}}^1\times {\mathrm{5189}}^1$

素因数の和:5402

約数の個数: 64

約数和(自身を含む): 32812093440

約数和(自身を除く): 12633976803

約数列:

[1, 3, 7, 21, 23, 69, 83, 97, 161, 249, 291, 483, 581, 679, 1743, 1909, 2037, 2231, 5189, 5727, 6693, 8051, 13363, 15567, 15617, 24153, 36323, 40089, 46851, 56357, 108969, 119347, 169071, 185173, 358041, 430687, 503333, 555519, 835429, 1292061, 1296211, 1509999, 2506287, 3014809, 3523331, 3888633, 9044427, 9905801, 10569993, 11576659, 29717403, 34729977, 41776639, 69340607, 81036613, 125329917, 208021821, 243109839, 292436473, 877309419, 960862697, 2882588091, 6726038879, 20178116637]

約数ペア:

[(1, 20178116637), (3, 6726038879), (7, 2882588091), (21, 960862697), (23, 877309419), (69, 292436473), (83, 243109839), (97, 208021821), (161, 125329917), (249, 81036613), (291, 69340607), (483, 41776639), (581, 34729977), (679, 29717403), (1743, 11576659), (1909, 10569993), (2037, 9905801), (2231, 9044427), (5189, 3888633), (5727, 3523331), (6693, 3014809), (8051, 2506287), (13363, 1509999), (15567, 1296211), (15617, 1292061), (24153, 835429), (36323, 555519), (40089, 503333), (46851, 430687), (56357, 358041), (108969, 185173), (119347, 169071)]