20013120

素因数分解:

$2^6\times 3^2\times 5^1\times {\mathrm{6949}}^1$

素因数の和:6972

約数の個数: 84

約数和(自身を含む): 68846700

約数和(自身を除く): 48833580

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 20, 24, 30, 32, 36, 40, 45, 48, 60, 64, 72, 80, 90, 96, 120, 144, 160, 180, 192, 240, 288, 320, 360, 480, 576, 720, 960, 1440, 2880, 6949, 13898, 20847, 27796, 34745, 41694, 55592, 62541, 69490, 83388, 104235, 111184, 125082, 138980, 166776, 208470, 222368, 250164, 277960, 312705, 333552, 416940, 444736, 500328, 555920, 625410, 667104, 833880, 1000656, 1111840, 1250820, 1334208, 1667760, 2001312, 2223680, 2501640, 3335520, 4002624, 5003280, 6671040, 10006560, 20013120]

約数ペア:

[(1, 20013120), (2, 10006560), (3, 6671040), (4, 5003280), (5, 4002624), (6, 3335520), (8, 2501640), (9, 2223680), (10, 2001312), (12, 1667760), (15, 1334208), (16, 1250820), (18, 1111840), (20, 1000656), (24, 833880), (30, 667104), (32, 625410), (36, 555920), (40, 500328), (45, 444736), (48, 416940), (60, 333552), (64, 312705), (72, 277960), (80, 250164), (90, 222368), (96, 208470), (120, 166776), (144, 138980), (160, 125082), (180, 111184), (192, 104235), (240, 83388), (288, 69490), (320, 62541), (360, 55592), (480, 41694), (576, 34745), (720, 27796), (960, 20847), (1440, 13898), (2880, 6949)]