20056500

素因数分解:

$2^2\times 3^2\times 5^3\times {\mathrm{4457}}^1$

素因数の和:4482

約数の個数: 72

約数和(自身を含む): 63285768

約数和(自身を除く): 43229268

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 25, 30, 36, 45, 50, 60, 75, 90, 100, 125, 150, 180, 225, 250, 300, 375, 450, 500, 750, 900, 1125, 1500, 2250, 4457, 4500, 8914, 13371, 17828, 22285, 26742, 40113, 44570, 53484, 66855, 80226, 89140, 111425, 133710, 160452, 200565, 222850, 267420, 334275, 401130, 445700, 557125, 668550, 802260, 1002825, 1114250, 1337100, 1671375, 2005650, 2228500, 3342750, 4011300, 5014125, 6685500, 10028250, 20056500]

約数ペア:

[(1, 20056500), (2, 10028250), (3, 6685500), (4, 5014125), (5, 4011300), (6, 3342750), (9, 2228500), (10, 2005650), (12, 1671375), (15, 1337100), (18, 1114250), (20, 1002825), (25, 802260), (30, 668550), (36, 557125), (45, 445700), (50, 401130), (60, 334275), (75, 267420), (90, 222850), (100, 200565), (125, 160452), (150, 133710), (180, 111425), (225, 89140), (250, 80226), (300, 66855), (375, 53484), (450, 44570), (500, 40113), (750, 26742), (900, 22285), (1125, 17828), (1500, 13371), (2250, 8914), (4457, 4500)]