20199721256

素因数分解:

$2^3\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{389}}^1\times {\mathrm{2389}}^1$

素因数の和:2827

約数の個数: 128

約数和(自身を含む): 46977840000

約数和(自身を除く): 26778118744

約数列:

[1, 2, 4, 8, 11, 13, 19, 22, 26, 38, 44, 52, 76, 88, 104, 143, 152, 209, 247, 286, 389, 418, 494, 572, 778, 836, 988, 1144, 1556, 1672, 1976, 2389, 2717, 3112, 4279, 4778, 5057, 5434, 7391, 8558, 9556, 10114, 10868, 14782, 17116, 19112, 20228, 21736, 26279, 29564, 31057, 34232, 40456, 45391, 52558, 55627, 59128, 62114, 81301, 90782, 96083, 105116, 111254, 124228, 162602, 181564, 192166, 210232, 222508, 248456, 325204, 341627, 363128, 384332, 445016, 499301, 590083, 650408, 683254, 768664, 929321, 998602, 1056913, 1180166, 1366508, 1858642, 1997204, 2113826, 2360332, 2733016, 3717284, 3994408, 4227652, 4720664, 6490913, 7434568, 8455304, 10222531, 12081173, 12981826, 17657099, 20445062, 24162346, 25963652, 35314198, 40890124, 48324692, 51927304, 70628396, 81780248, 96649384, 132892903, 141256792, 194228089, 229542287, 265785806, 388456178, 459084574, 531571612, 776912356, 918169148, 1063143224, 1553824712, 1836338296, 2524965157, 5049930314, 10099860628, 20199721256]

約数ペア:

[(1, 20199721256), (2, 10099860628), (4, 5049930314), (8, 2524965157), (11, 1836338296), (13, 1553824712), (19, 1063143224), (22, 918169148), (26, 776912356), (38, 531571612), (44, 459084574), (52, 388456178), (76, 265785806), (88, 229542287), (104, 194228089), (143, 141256792), (152, 132892903), (209, 96649384), (247, 81780248), (286, 70628396), (389, 51927304), (418, 48324692), (494, 40890124), (572, 35314198), (778, 25963652), (836, 24162346), (988, 20445062), (1144, 17657099), (1556, 12981826), (1672, 12081173), (1976, 10222531), (2389, 8455304), (2717, 7434568), (3112, 6490913), (4279, 4720664), (4778, 4227652), (5057, 3994408), (5434, 3717284), (7391, 2733016), (8558, 2360332), (9556, 2113826), (10114, 1997204), (10868, 1858642), (14782, 1366508), (17116, 1180166), (19112, 1056913), (20228, 998602), (21736, 929321), (26279, 768664), (29564, 683254), (31057, 650408), (34232, 590083), (40456, 499301), (45391, 445016), (52558, 384332), (55627, 363128), (59128, 341627), (62114, 325204), (81301, 248456), (90782, 222508), (96083, 210232), (105116, 192166), (111254, 181564), (124228, 162602)]