20002139820

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{502819}}^1$

素因数の和:502864

約数の個数: 144

約数和(自身を含む): 69184009440

約数和(自身を除く): 49181869620

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 13, 15, 17, 18, 20, 26, 30, 34, 36, 39, 45, 51, 52, 60, 65, 68, 78, 85, 90, 102, 117, 130, 153, 156, 170, 180, 195, 204, 221, 234, 255, 260, 306, 340, 390, 442, 468, 510, 585, 612, 663, 765, 780, 884, 1020, 1105, 1170, 1326, 1530, 1989, 2210, 2340, 2652, 3060, 3315, 3978, 4420, 6630, 7956, 9945, 13260, 19890, 39780, 502819, 1005638, 1508457, 2011276, 2514095, 3016914, 4525371, 5028190, 6033828, 6536647, 7542285, 8547923, 9050742, 10056380, 13073294, 15084570, 17095846, 18101484, 19609941, 22626855, 25643769, 26146588, 30169140, 32683235, 34191692, 39219882, 42739615, 45253710, 51287538, 58829823, 65366470, 76931307, 78439764, 85479230, 90507420, 98049705, 102575076, 111122999, 117659646, 128218845, 130732940, 153862614, 170958460, 196099410, 222245998, 235319292, 256437690, 294149115, 307725228, 333368997, 384656535, 392198820, 444491996, 512875380, 555614995, 588298230, 666737994, 769313070, 1000106991, 1111229990, 1176596460, 1333475988, 1538626140, 1666844985, 2000213982, 2222459980, 3333689970, 4000427964, 5000534955, 6667379940, 10001069910, 20002139820]

約数ペア:

[(1, 20002139820), (2, 10001069910), (3, 6667379940), (4, 5000534955), (5, 4000427964), (6, 3333689970), (9, 2222459980), (10, 2000213982), (12, 1666844985), (13, 1538626140), (15, 1333475988), (17, 1176596460), (18, 1111229990), (20, 1000106991), (26, 769313070), (30, 666737994), (34, 588298230), (36, 555614995), (39, 512875380), (45, 444491996), (51, 392198820), (52, 384656535), (60, 333368997), (65, 307725228), (68, 294149115), (78, 256437690), (85, 235319292), (90, 222245998), (102, 196099410), (117, 170958460), (130, 153862614), (153, 130732940), (156, 128218845), (170, 117659646), (180, 111122999), (195, 102575076), (204, 98049705), (221, 90507420), (234, 85479230), (255, 78439764), (260, 76931307), (306, 65366470), (340, 58829823), (390, 51287538), (442, 45253710), (468, 42739615), (510, 39219882), (585, 34191692), (612, 32683235), (663, 30169140), (765, 26146588), (780, 25643769), (884, 22626855), (1020, 19609941), (1105, 18101484), (1170, 17095846), (1326, 15084570), (1530, 13073294), (1989, 10056380), (2210, 9050742), (2340, 8547923), (2652, 7542285), (3060, 6536647), (3315, 6033828), (3978, 5028190), (4420, 4525371), (6630, 3016914), (7956, 2514095), (9945, 2011276), (13260, 1508457), (19890, 1005638), (39780, 502819)]