20104371320

素因数分解:

$2^3\times 5^1\times {\mathrm{11}}^1\times {\mathrm{41}}^1\times {\mathrm{97}}^1\times {\mathrm{11489}}^1$

素因数の和:11649

約数の個数: 128

約数和(自身を含む): 51076267200

約数和(自身を除く): 30971895880

約数列:

[1, 2, 4, 5, 8, 10, 11, 20, 22, 40, 41, 44, 55, 82, 88, 97, 110, 164, 194, 205, 220, 328, 388, 410, 440, 451, 485, 776, 820, 902, 970, 1067, 1640, 1804, 1940, 2134, 2255, 3608, 3880, 3977, 4268, 4510, 5335, 7954, 8536, 9020, 10670, 11489, 15908, 18040, 19885, 21340, 22978, 31816, 39770, 42680, 43747, 45956, 57445, 79540, 87494, 91912, 114890, 126379, 159080, 174988, 218735, 229780, 252758, 349976, 437470, 459560, 471049, 505516, 631895, 874940, 942098, 1011032, 1114433, 1263790, 1749880, 1884196, 2228866, 2355245, 2527580, 3768392, 4457732, 4710490, 5055160, 5181539, 5572165, 8915464, 9420980, 10363078, 11144330, 12258763, 18841960, 20726156, 22288660, 24517526, 25907695, 41452312, 44577320, 45691753, 49035052, 51815390, 61293815, 91383506, 98070104, 103630780, 122587630, 182767012, 207261560, 228458765, 245175260, 365534024, 456917530, 490350520, 502609283, 913835060, 1005218566, 1827670120, 2010437132, 2513046415, 4020874264, 5026092830, 10052185660, 20104371320]

約数ペア:

[(1, 20104371320), (2, 10052185660), (4, 5026092830), (5, 4020874264), (8, 2513046415), (10, 2010437132), (11, 1827670120), (20, 1005218566), (22, 913835060), (40, 502609283), (41, 490350520), (44, 456917530), (55, 365534024), (82, 245175260), (88, 228458765), (97, 207261560), (110, 182767012), (164, 122587630), (194, 103630780), (205, 98070104), (220, 91383506), (328, 61293815), (388, 51815390), (410, 49035052), (440, 45691753), (451, 44577320), (485, 41452312), (776, 25907695), (820, 24517526), (902, 22288660), (970, 20726156), (1067, 18841960), (1640, 12258763), (1804, 11144330), (1940, 10363078), (2134, 9420980), (2255, 8915464), (3608, 5572165), (3880, 5181539), (3977, 5055160), (4268, 4710490), (4510, 4457732), (5335, 3768392), (7954, 2527580), (8536, 2355245), (9020, 2228866), (10670, 1884196), (11489, 1749880), (15908, 1263790), (18040, 1114433), (19885, 1011032), (21340, 942098), (22978, 874940), (31816, 631895), (39770, 505516), (42680, 471049), (43747, 459560), (45956, 437470), (57445, 349976), (79540, 252758), (87494, 229780), (91912, 218735), (114890, 174988), (126379, 159080)]