20017608

素因数分解:

$2^3\times 3^1\times {\mathrm{13}}^1\times {\mathrm{83}}^1\times {\mathrm{773}}^1$

素因数の和:878

約数の個数: 64

約数和(自身を含む): 54613440

約数和(自身を除く): 34595832

約数列:

[1, 2, 3, 4, 6, 8, 12, 13, 24, 26, 39, 52, 78, 83, 104, 156, 166, 249, 312, 332, 498, 664, 773, 996, 1079, 1546, 1992, 2158, 2319, 3092, 3237, 4316, 4638, 6184, 6474, 8632, 9276, 10049, 12948, 18552, 20098, 25896, 30147, 40196, 60294, 64159, 80392, 120588, 128318, 192477, 241176, 256636, 384954, 513272, 769908, 834067, 1539816, 1668134, 2502201, 3336268, 5004402, 6672536, 10008804, 20017608]

約数ペア:

[(1, 20017608), (2, 10008804), (3, 6672536), (4, 5004402), (6, 3336268), (8, 2502201), (12, 1668134), (13, 1539816), (24, 834067), (26, 769908), (39, 513272), (52, 384954), (78, 256636), (83, 241176), (104, 192477), (156, 128318), (166, 120588), (249, 80392), (312, 64159), (332, 60294), (498, 40196), (664, 30147), (773, 25896), (996, 20098), (1079, 18552), (1546, 12948), (1992, 10049), (2158, 9276), (2319, 8632), (3092, 6474), (3237, 6184), (4316, 4638)]