20921151408

素因数分解:

$2^4\times 3^1\times {\mathrm{19}}^2\times {\mathrm{449}}^1\times {\mathrm{2689}}^1$

素因数の和:3187

約数の個数: 120

約数和(自身を含む): 57188862000

約数和(自身を除く): 36267710592

約数列:

[1, 2, 3, 4, 6, 8, 12, 16, 19, 24, 38, 48, 57, 76, 114, 152, 228, 304, 361, 449, 456, 722, 898, 912, 1083, 1347, 1444, 1796, 2166, 2689, 2694, 2888, 3592, 4332, 5378, 5388, 5776, 7184, 8067, 8531, 8664, 10756, 10776, 16134, 17062, 17328, 21512, 21552, 25593, 32268, 34124, 43024, 51091, 51186, 64536, 68248, 102182, 102372, 129072, 136496, 153273, 162089, 204364, 204744, 306546, 324178, 408728, 409488, 486267, 613092, 648356, 817456, 970729, 972534, 1207361, 1226184, 1296712, 1941458, 1945068, 2414722, 2452368, 2593424, 2912187, 3622083, 3882916, 3890136, 4829444, 5824374, 7244166, 7765832, 7780272, 9658888, 11648748, 14488332, 15531664, 19317776, 22939859, 23297496, 28976664, 45879718, 46594992, 57953328, 68819577, 91759436, 137639154, 183518872, 275278308, 367037744, 435857321, 550556616, 871714642, 1101113232, 1307571963, 1743429284, 2615143926, 3486858568, 5230287852, 6973717136, 10460575704, 20921151408]

約数ペア:

[(1, 20921151408), (2, 10460575704), (3, 6973717136), (4, 5230287852), (6, 3486858568), (8, 2615143926), (12, 1743429284), (16, 1307571963), (19, 1101113232), (24, 871714642), (38, 550556616), (48, 435857321), (57, 367037744), (76, 275278308), (114, 183518872), (152, 137639154), (228, 91759436), (304, 68819577), (361, 57953328), (449, 46594992), (456, 45879718), (722, 28976664), (898, 23297496), (912, 22939859), (1083, 19317776), (1347, 15531664), (1444, 14488332), (1796, 11648748), (2166, 9658888), (2689, 7780272), (2694, 7765832), (2888, 7244166), (3592, 5824374), (4332, 4829444), (5378, 3890136), (5388, 3882916), (5776, 3622083), (7184, 2912187), (8067, 2593424), (8531, 2452368), (8664, 2414722), (10756, 1945068), (10776, 1941458), (16134, 1296712), (17062, 1226184), (17328, 1207361), (21512, 972534), (21552, 970729), (25593, 817456), (32268, 648356), (34124, 613092), (43024, 486267), (51091, 409488), (51186, 408728), (64536, 324178), (68248, 306546), (102182, 204744), (102372, 204364), (129072, 162089), (136496, 153273)]