20294924

素因数分解:

$2^2\times {\mathrm{13}}^1\times {\mathrm{23}}^1\times {\mathrm{71}}^1\times {\mathrm{239}}^1$

素因数の和:350

約数の個数: 48

約数和(自身を含む): 40642560

約数和(自身を除く): 20347636

約数列:

[1, 2, 4, 13, 23, 26, 46, 52, 71, 92, 142, 239, 284, 299, 478, 598, 923, 956, 1196, 1633, 1846, 3107, 3266, 3692, 5497, 6214, 6532, 10994, 12428, 16969, 21229, 21988, 33938, 42458, 67876, 71461, 84916, 142922, 220597, 285844, 390287, 441194, 780574, 882388, 1561148, 5073731, 10147462, 20294924]

約数ペア:

[(1, 20294924), (2, 10147462), (4, 5073731), (13, 1561148), (23, 882388), (26, 780574), (46, 441194), (52, 390287), (71, 285844), (92, 220597), (142, 142922), (239, 84916), (284, 71461), (299, 67876), (478, 42458), (598, 33938), (923, 21988), (956, 21229), (1196, 16969), (1633, 12428), (1846, 10994), (3107, 6532), (3266, 6214), (3692, 5497)]