23478420

素因数分解:

$2^2\times 3^1\times 5^1\times 7^1\times {\mathrm{55901}}^1$

素因数の和:55920

約数の個数: 48

約数和(自身を含む): 75132288

約数和(自身を除く): 51653868

約数列:

[1, 2, 3, 4, 5, 6, 7, 10, 12, 14, 15, 20, 21, 28, 30, 35, 42, 60, 70, 84, 105, 140, 210, 420, 55901, 111802, 167703, 223604, 279505, 335406, 391307, 559010, 670812, 782614, 838515, 1118020, 1173921, 1565228, 1677030, 1956535, 2347842, 3354060, 3913070, 4695684, 5869605, 7826140, 11739210, 23478420]

約数ペア:

[(1, 23478420), (2, 11739210), (3, 7826140), (4, 5869605), (5, 4695684), (6, 3913070), (7, 3354060), (10, 2347842), (12, 1956535), (14, 1677030), (15, 1565228), (20, 1173921), (21, 1118020), (28, 838515), (30, 782614), (35, 670812), (42, 559010), (60, 391307), (70, 335406), (84, 279505), (105, 223604), (140, 167703), (210, 111802), (420, 55901)]