20996588480

素因数分解:

$2^6\times 5^1\times 7^1\times {\mathrm{17}}^1\times {\mathrm{551381}}^1$

素因数の和:551422

約数の個数: 112

約数和(自身を含む): 60502044096

約数和(自身を除く): 39505455616

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 17, 20, 28, 32, 34, 35, 40, 56, 64, 68, 70, 80, 85, 112, 119, 136, 140, 160, 170, 224, 238, 272, 280, 320, 340, 448, 476, 544, 560, 595, 680, 952, 1088, 1120, 1190, 1360, 1904, 2240, 2380, 2720, 3808, 4760, 5440, 7616, 9520, 19040, 38080, 551381, 1102762, 2205524, 2756905, 3859667, 4411048, 5513810, 7719334, 8822096, 9373477, 11027620, 15438668, 17644192, 18746954, 19298335, 22055240, 30877336, 35288384, 37493908, 38596670, 44110480, 46867385, 61754672, 65614339, 74987816, 77193340, 88220960, 93734770, 123509344, 131228678, 149975632, 154386680, 176441920, 187469540, 247018688, 262457356, 299951264, 308773360, 328071695, 374939080, 524914712, 599902528, 617546720, 656143390, 749878160, 1049829424, 1235093440, 1312286780, 1499756320, 2099658848, 2624573560, 2999512640, 4199317696, 5249147120, 10498294240, 20996588480]

約数ペア:

[(1, 20996588480), (2, 10498294240), (4, 5249147120), (5, 4199317696), (7, 2999512640), (8, 2624573560), (10, 2099658848), (14, 1499756320), (16, 1312286780), (17, 1235093440), (20, 1049829424), (28, 749878160), (32, 656143390), (34, 617546720), (35, 599902528), (40, 524914712), (56, 374939080), (64, 328071695), (68, 308773360), (70, 299951264), (80, 262457356), (85, 247018688), (112, 187469540), (119, 176441920), (136, 154386680), (140, 149975632), (160, 131228678), (170, 123509344), (224, 93734770), (238, 88220960), (272, 77193340), (280, 74987816), (320, 65614339), (340, 61754672), (448, 46867385), (476, 44110480), (544, 38596670), (560, 37493908), (595, 35288384), (680, 30877336), (952, 22055240), (1088, 19298335), (1120, 18746954), (1190, 17644192), (1360, 15438668), (1904, 11027620), (2240, 9373477), (2380, 8822096), (2720, 7719334), (3808, 5513810), (4760, 4411048), (5440, 3859667), (7616, 2756905), (9520, 2205524), (19040, 1102762), (38080, 551381)]