20244777560

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{23}}^1\times {\mathrm{73}}^1\times {\mathrm{43063}}^1$

素因数の和:43177

約数の個数: 128

約数和(自身を含む): 55066798080

約数和(自身を除く): 34822020520

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 23, 28, 35, 40, 46, 56, 70, 73, 92, 115, 140, 146, 161, 184, 230, 280, 292, 322, 365, 460, 511, 584, 644, 730, 805, 920, 1022, 1288, 1460, 1610, 1679, 2044, 2555, 2920, 3220, 3358, 4088, 5110, 6440, 6716, 8395, 10220, 11753, 13432, 16790, 20440, 23506, 33580, 43063, 47012, 58765, 67160, 86126, 94024, 117530, 172252, 215315, 235060, 301441, 344504, 430630, 470120, 602882, 861260, 990449, 1205764, 1507205, 1722520, 1980898, 2411528, 3014410, 3143599, 3961796, 4952245, 6028820, 6287198, 6933143, 7923592, 9904490, 12057640, 12574396, 13866286, 15717995, 19808980, 22005193, 25148792, 27732572, 31435990, 34665715, 39617960, 44010386, 55465144, 62871980, 69331430, 72302777, 88020772, 110025965, 125743960, 138662860, 144605554, 176041544, 220051930, 277325720, 289211108, 361513885, 440103860, 506119439, 578422216, 723027770, 880207720, 1012238878, 1446055540, 2024477756, 2530597195, 2892111080, 4048955512, 5061194390, 10122388780, 20244777560]

約数ペア:

[(1, 20244777560), (2, 10122388780), (4, 5061194390), (5, 4048955512), (7, 2892111080), (8, 2530597195), (10, 2024477756), (14, 1446055540), (20, 1012238878), (23, 880207720), (28, 723027770), (35, 578422216), (40, 506119439), (46, 440103860), (56, 361513885), (70, 289211108), (73, 277325720), (92, 220051930), (115, 176041544), (140, 144605554), (146, 138662860), (161, 125743960), (184, 110025965), (230, 88020772), (280, 72302777), (292, 69331430), (322, 62871980), (365, 55465144), (460, 44010386), (511, 39617960), (584, 34665715), (644, 31435990), (730, 27732572), (805, 25148792), (920, 22005193), (1022, 19808980), (1288, 15717995), (1460, 13866286), (1610, 12574396), (1679, 12057640), (2044, 9904490), (2555, 7923592), (2920, 6933143), (3220, 6287198), (3358, 6028820), (4088, 4952245), (5110, 3961796), (6440, 3143599), (6716, 3014410), (8395, 2411528), (10220, 1980898), (11753, 1722520), (13432, 1507205), (16790, 1205764), (20440, 990449), (23506, 861260), (33580, 602882), (43063, 470120), (47012, 430630), (58765, 344504), (67160, 301441), (86126, 235060), (94024, 215315), (117530, 172252)]