23260420

素因数分解:

$2^2\times 5^1\times {\mathrm{17}}^1\times {\mathrm{37}}^1\times {\mathrm{43}}^2$

素因数の和:149

約数の個数: 72

約数和(自身を含む): 54382104

約数和(自身を除く): 31121684

約数列:

[1, 2, 4, 5, 10, 17, 20, 34, 37, 43, 68, 74, 85, 86, 148, 170, 172, 185, 215, 340, 370, 430, 629, 731, 740, 860, 1258, 1462, 1591, 1849, 2516, 2924, 3145, 3182, 3655, 3698, 6290, 6364, 7310, 7396, 7955, 9245, 12580, 14620, 15910, 18490, 27047, 31433, 31820, 36980, 54094, 62866, 68413, 108188, 125732, 135235, 136826, 157165, 270470, 273652, 314330, 342065, 540940, 628660, 684130, 1163021, 1368260, 2326042, 4652084, 5815105, 11630210, 23260420]

約数ペア:

[(1, 23260420), (2, 11630210), (4, 5815105), (5, 4652084), (10, 2326042), (17, 1368260), (20, 1163021), (34, 684130), (37, 628660), (43, 540940), (68, 342065), (74, 314330), (85, 273652), (86, 270470), (148, 157165), (170, 136826), (172, 135235), (185, 125732), (215, 108188), (340, 68413), (370, 62866), (430, 54094), (629, 36980), (731, 31820), (740, 31433), (860, 27047), (1258, 18490), (1462, 15910), (1591, 14620), (1849, 12580), (2516, 9245), (2924, 7955), (3145, 7396), (3182, 7310), (3655, 6364), (3698, 6290)]