20236531172

素因数分解:

$2^2\times {\mathrm{11}}^1\times {\mathrm{13}}^2\times {\mathrm{19}}^1\times {\mathrm{43}}^1\times {\mathrm{3331}}^1$

素因数の和:3434

約数の個数: 144

約数和(自身を含む): 45073163520

約数和(自身を除く): 24836632348

約数列:

[1, 2, 4, 11, 13, 19, 22, 26, 38, 43, 44, 52, 76, 86, 143, 169, 172, 209, 247, 286, 338, 418, 473, 494, 559, 572, 676, 817, 836, 946, 988, 1118, 1634, 1859, 1892, 2236, 2717, 3211, 3268, 3331, 3718, 5434, 6149, 6422, 6662, 7267, 7436, 8987, 10621, 10868, 12298, 12844, 13324, 14534, 17974, 21242, 24596, 29068, 35321, 35948, 36641, 42484, 43303, 63289, 70642, 73282, 79937, 86606, 116831, 126578, 138073, 141284, 143233, 146564, 159874, 173212, 233662, 253156, 276146, 286466, 319748, 467324, 476333, 552292, 562939, 572932, 696179, 822757, 952666, 1125878, 1392358, 1518803, 1575563, 1645514, 1862029, 1905332, 2251756, 2721427, 2784716, 3037606, 3151126, 3291028, 3724058, 5442854, 6075212, 6192329, 6302252, 7448116, 9050327, 10695841, 10885708, 12384658, 18100654, 20482319, 21391682, 24206377, 24769316, 29935697, 35378551, 36201308, 40964638, 42783364, 48412754, 59871394, 70757102, 81929276, 96825508, 117654251, 119742788, 141514204, 235308502, 266270147, 389164061, 459921163, 470617004, 532540294, 778328122, 919842326, 1065080588, 1556656244, 1839684652, 5059132793, 10118265586, 20236531172]

約数ペア:

[(1, 20236531172), (2, 10118265586), (4, 5059132793), (11, 1839684652), (13, 1556656244), (19, 1065080588), (22, 919842326), (26, 778328122), (38, 532540294), (43, 470617004), (44, 459921163), (52, 389164061), (76, 266270147), (86, 235308502), (143, 141514204), (169, 119742788), (172, 117654251), (209, 96825508), (247, 81929276), (286, 70757102), (338, 59871394), (418, 48412754), (473, 42783364), (494, 40964638), (559, 36201308), (572, 35378551), (676, 29935697), (817, 24769316), (836, 24206377), (946, 21391682), (988, 20482319), (1118, 18100654), (1634, 12384658), (1859, 10885708), (1892, 10695841), (2236, 9050327), (2717, 7448116), (3211, 6302252), (3268, 6192329), (3331, 6075212), (3718, 5442854), (5434, 3724058), (6149, 3291028), (6422, 3151126), (6662, 3037606), (7267, 2784716), (7436, 2721427), (8987, 2251756), (10621, 1905332), (10868, 1862029), (12298, 1645514), (12844, 1575563), (13324, 1518803), (14534, 1392358), (17974, 1125878), (21242, 952666), (24596, 822757), (29068, 696179), (35321, 572932), (35948, 562939), (36641, 552292), (42484, 476333), (43303, 467324), (63289, 319748), (70642, 286466), (73282, 276146), (79937, 253156), (86606, 233662), (116831, 173212), (126578, 159874), (138073, 146564), (141284, 143233)]