20072181860

素因数分解:

$2^2\times 5^1\times {\mathrm{17}}^1\times {\mathrm{163}}^1\times {\mathrm{373}}^1\times {\mathrm{971}}^1$

素因数の和:1533

約数の個数: 96

約数和(自身を含む): 45071655552

約数和(自身を除く): 24999473692

約数列:

[1, 2, 4, 5, 10, 17, 20, 34, 68, 85, 163, 170, 326, 340, 373, 652, 746, 815, 971, 1492, 1630, 1865, 1942, 2771, 3260, 3730, 3884, 4855, 5542, 6341, 7460, 9710, 11084, 12682, 13855, 16507, 19420, 25364, 27710, 31705, 33014, 55420, 60799, 63410, 66028, 82535, 121598, 126820, 158273, 165070, 243196, 303995, 316546, 330140, 362183, 607990, 633092, 724366, 791365, 1033583, 1215980, 1448732, 1582730, 1810915, 2067166, 2690641, 3165460, 3621830, 4134332, 5167915, 5381282, 6157111, 7243660, 10335830, 10762564, 12314222, 13453205, 20671660, 24628444, 26906410, 30785555, 53812820, 59035829, 61571110, 118071658, 123142220, 236143316, 295179145, 590358290, 1003609093, 1180716580, 2007218186, 4014436372, 5018045465, 10036090930, 20072181860]

約数ペア:

[(1, 20072181860), (2, 10036090930), (4, 5018045465), (5, 4014436372), (10, 2007218186), (17, 1180716580), (20, 1003609093), (34, 590358290), (68, 295179145), (85, 236143316), (163, 123142220), (170, 118071658), (326, 61571110), (340, 59035829), (373, 53812820), (652, 30785555), (746, 26906410), (815, 24628444), (971, 20671660), (1492, 13453205), (1630, 12314222), (1865, 10762564), (1942, 10335830), (2771, 7243660), (3260, 6157111), (3730, 5381282), (3884, 5167915), (4855, 4134332), (5542, 3621830), (6341, 3165460), (7460, 2690641), (9710, 2067166), (11084, 1810915), (12682, 1582730), (13855, 1448732), (16507, 1215980), (19420, 1033583), (25364, 791365), (27710, 724366), (31705, 633092), (33014, 607990), (55420, 362183), (60799, 330140), (63410, 316546), (66028, 303995), (82535, 243196), (121598, 165070), (126820, 158273)]