20740122

素因数分解:

$2^1\times 3^2\times {\mathrm{13}}^1\times {\mathrm{61}}^1\times {\mathrm{1453}}^1$

素因数の和:1535

約数の個数: 48

約数和(自身を含む): 49220808

約数和(自身を除く): 28480686

約数列:

[1, 2, 3, 6, 9, 13, 18, 26, 39, 61, 78, 117, 122, 183, 234, 366, 549, 793, 1098, 1453, 1586, 2379, 2906, 4359, 4758, 7137, 8718, 13077, 14274, 18889, 26154, 37778, 56667, 88633, 113334, 170001, 177266, 265899, 340002, 531798, 797697, 1152229, 1595394, 2304458, 3456687, 6913374, 10370061, 20740122]

約数ペア:

[(1, 20740122), (2, 10370061), (3, 6913374), (6, 3456687), (9, 2304458), (13, 1595394), (18, 1152229), (26, 797697), (39, 531798), (61, 340002), (78, 265899), (117, 177266), (122, 170001), (183, 113334), (234, 88633), (366, 56667), (549, 37778), (793, 26154), (1098, 18889), (1453, 14274), (1586, 13077), (2379, 8718), (2906, 7137), (4359, 4758)]