20533110

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{19}}^1\times {\mathrm{163}}^1$

素因数の和:222

約数の個数: 128

約数和(自身を含む): 59512320

約数和(自身を除く): 38979210

約数列:

[1, 2, 3, 5, 6, 10, 13, 15, 17, 19, 26, 30, 34, 38, 39, 51, 57, 65, 78, 85, 95, 102, 114, 130, 163, 170, 190, 195, 221, 247, 255, 285, 323, 326, 390, 442, 489, 494, 510, 570, 646, 663, 741, 815, 969, 978, 1105, 1235, 1326, 1482, 1615, 1630, 1938, 2119, 2210, 2445, 2470, 2771, 3097, 3230, 3315, 3705, 4199, 4238, 4845, 4890, 5542, 6194, 6357, 6630, 7410, 8313, 8398, 9291, 9690, 10595, 12597, 12714, 13855, 15485, 16626, 18582, 20995, 21190, 25194, 27710, 30970, 31785, 36023, 40261, 41565, 41990, 46455, 52649, 62985, 63570, 72046, 80522, 83130, 92910, 105298, 108069, 120783, 125970, 157947, 180115, 201305, 216138, 241566, 263245, 315894, 360230, 402610, 526490, 540345, 603915, 684437, 789735, 1080690, 1207830, 1368874, 1579470, 2053311, 3422185, 4106622, 6844370, 10266555, 20533110]

約数ペア:

[(1, 20533110), (2, 10266555), (3, 6844370), (5, 4106622), (6, 3422185), (10, 2053311), (13, 1579470), (15, 1368874), (17, 1207830), (19, 1080690), (26, 789735), (30, 684437), (34, 603915), (38, 540345), (39, 526490), (51, 402610), (57, 360230), (65, 315894), (78, 263245), (85, 241566), (95, 216138), (102, 201305), (114, 180115), (130, 157947), (163, 125970), (170, 120783), (190, 108069), (195, 105298), (221, 92910), (247, 83130), (255, 80522), (285, 72046), (323, 63570), (326, 62985), (390, 52649), (442, 46455), (489, 41990), (494, 41565), (510, 40261), (570, 36023), (646, 31785), (663, 30970), (741, 27710), (815, 25194), (969, 21190), (978, 20995), (1105, 18582), (1235, 16626), (1326, 15485), (1482, 13855), (1615, 12714), (1630, 12597), (1938, 10595), (2119, 9690), (2210, 9291), (2445, 8398), (2470, 8313), (2771, 7410), (3097, 6630), (3230, 6357), (3315, 6194), (3705, 5542), (4199, 4890), (4238, 4845)]