20347284

素因数分解:

$2^2\times 3^1\times {\mathrm{31}}^1\times {\mathrm{83}}^1\times {\mathrm{659}}^1$

素因数の和:780

約数の個数: 48

約数和(自身を含む): 49674240

約数和(自身を除く): 29326956

約数列:

[1, 2, 3, 4, 6, 12, 31, 62, 83, 93, 124, 166, 186, 249, 332, 372, 498, 659, 996, 1318, 1977, 2573, 2636, 3954, 5146, 7719, 7908, 10292, 15438, 20429, 30876, 40858, 54697, 61287, 81716, 109394, 122574, 164091, 218788, 245148, 328182, 656364, 1695607, 3391214, 5086821, 6782428, 10173642, 20347284]

約数ペア:

[(1, 20347284), (2, 10173642), (3, 6782428), (4, 5086821), (6, 3391214), (12, 1695607), (31, 656364), (62, 328182), (83, 245148), (93, 218788), (124, 164091), (166, 122574), (186, 109394), (249, 81716), (332, 61287), (372, 54697), (498, 40858), (659, 30876), (996, 20429), (1318, 15438), (1977, 10292), (2573, 7908), (2636, 7719), (3954, 5146)]