20818434

素因数分解:

$2^1\times 3^1\times 7^2\times {\mathrm{13}}^2\times {\mathrm{419}}^1$

素因数の和:464

約数の個数: 72

約数和(自身を含む): 52572240

約数和(自身を除く): 31753806

約数列:

[1, 2, 3, 6, 7, 13, 14, 21, 26, 39, 42, 49, 78, 91, 98, 147, 169, 182, 273, 294, 338, 419, 507, 546, 637, 838, 1014, 1183, 1257, 1274, 1911, 2366, 2514, 2933, 3549, 3822, 5447, 5866, 7098, 8281, 8799, 10894, 16341, 16562, 17598, 20531, 24843, 32682, 38129, 41062, 49686, 61593, 70811, 76258, 114387, 123186, 141622, 212433, 228774, 266903, 424866, 495677, 533806, 800709, 991354, 1487031, 1601418, 2974062, 3469739, 6939478, 10409217, 20818434]

約数ペア:

[(1, 20818434), (2, 10409217), (3, 6939478), (6, 3469739), (7, 2974062), (13, 1601418), (14, 1487031), (21, 991354), (26, 800709), (39, 533806), (42, 495677), (49, 424866), (78, 266903), (91, 228774), (98, 212433), (147, 141622), (169, 123186), (182, 114387), (273, 76258), (294, 70811), (338, 61593), (419, 49686), (507, 41062), (546, 38129), (637, 32682), (838, 24843), (1014, 20531), (1183, 17598), (1257, 16562), (1274, 16341), (1911, 10894), (2366, 8799), (2514, 8281), (2933, 7098), (3549, 5866), (3822, 5447)]